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Europe’s next two Galileo navigation satellites have touched down in Europe’s Spaceport in French Guiana ahead of the launch of a quartet by Ariane 5 at the end of this year.

Venus, Mars, Mercury and the Moon rising as lightning strikes Earth in this video timelapse from ESA astronaut Paolo Nespoli

Researchers have reconstructed a previously unseen image of Comet 67P taken by Rosetta.

Ariane 5 has delivered two telecom satellites, Intelsat-37e and BSAT-4a, into their planned orbits.

An unexpectedly strong blast from the Sun hit Mars this month, observed by NASA missions in orbit and on the surface.

Our week through the lens: 25-29 September 2017

Relive European Researchers’ Night at ESA’s Earth Observation Centre, ESRIN, 29 September

Get ready to study some pictures like a true detective.

Cassini may be done, but our solar system still calls us to explore.

Tempus Pro, a portable vital-signs monitor offering telemedicine via satellite, is helping medics at ESA astronaut landings. Thomas Pesquet was the first to benefit at the end of his mission in May.

Earth observation image of the week: the jagged islands along the west coast of Greenland in a Sentinel-2 false-colour image, also featured on the Earth from Space video programme

NASA is testing cutting-edge propulsion for upcoming asteroid mission.

A NASA-produced map showing areas of eastern Puerto Rico that were likely damaged by Hurricane Maria has been provided to responding agencies.

Reanalysis of data from a NASA orbiter suggests significant hydration near the Martian equator, a mysterious finding because scientists figure water-ice shouldn’t be there.

ESA astronaut Paolo Nespoli speaks at New Scientist Live from the International Space Station, Friday 29 September starting 12:40 GMT (14:40 CEST)

Scientists analysing the final telemetry sent by Rosetta immediately before it shut down on the surface of the comet last year have reconstructed one last image of its touchdown site.

Join us Friday, 29 September, at 10:00 CEST for the ‘Earth from Space’ video programme

Operations image of the week: In future, engineers will command satellites and rovers with the wave of a hand, and astronauts will train on Earth to extinguish a fire in a Moon habitat

Researchers using the Multi Unit Spectroscopic Explorer (MUSE) have mapped a planetary nebula for the first time ever.

Cubesat experts are helping to map out icy, underwater caves.

Ten years ago, NASA’s Dawn spacecraft set sail for the two most massive bodies in the asteroid belt between Mars and Jupiter: giant asteroid Vesta and dwarf planet Ceres.

Last year, physicists made history by observing the first-ever gravitational wave. Their discovery confirmed Albert Einstein’s century-old theory of gravity and capped decades of effort to build an instrument sensitive enough to catch these rippl…

Technology image of the week: A new full-size model of ESA’s ice satellite arrives at the Space Expo visitor centre in the Netherlands

Representatives from the Netherlands Space Office and Airbus Defence and Space join the programme to discuss Sentinel-5P’s unique Tropomi instrument and building the satellite to carry it

A long radar boom that will probe below the surface of Jupiter’s icy moons has been tested on Earth with the help of a helicopter.

The teams that will fly Sentinel-5P are training intensively for launch, ensuring that everyone knows their job and can react to any emergency.

Human spaceflight and robotic exploration image of the week: Australia’s Adelaide, host city of this year’s International Astronautical Congress, seen from space

Here’s the future humanity has in store for our ringed world.

A start-up company from ESA’s business incubator in Bavaria has developed a training app to help runners to exercise in a healthy way, and to reduce injuries from over-training.

Engineers have been at Russia’s Plesetsk launch site for a month now, ticking off the jobs on the ‘to do’ list so that the Copernicus Sentinel-5P satellite is fit and ready for liftoff on 13 October. With the satellite now fuelled, the team has passed another milestone.

After nearly 50 years, researchers show the highest-energy cosmic rays have extragalactic origins.

Highlighting Rosetta’s ever-changing view of the comet, a year since the mission concluded

Disaster relief workers in Mexico City who are responding to a 7.1-magnitude earthquake used a suitcase-sized radar instrument than can detect human heartbeats under rubble.

Origami has taken on new shape at NASA’s Jet Propulsion Laboratory.

Our week through the lens: 18-22 September 2017

Our Moon is a graveyard of satellite crash sites, including the demise of SMART-1.

A new NASA-produced map of areas likely damaged by the Sept. 19 magnitude 7.1 Raboso earthquake near Mexico City may help responders and groups supporting response efforts.

This week will see the second ESA bedrest study investigating a mix of antioxidants and vitamins that could help astronauts to combat the side effects of living in space.

Ten volunteers will lie in beds with the head end tilted down 6º for 60 days, keeping at least one shoulder on their bed at all times. Intense bedrest such is this is no fun: muscles and bones waste away, and the tilted beds makes blood and fluids move to the head – similar to the changes astronauts endure in space.

As all animals on Earth, humans have evolved to live in gravity so finding ways to stay healthy in weightlessness is important for further exploration of our Solar System. To test new exercise regimes, diets and understand what happens to astronauts, ESA conducts regular bedrest studies that simulate the effects of weightlessness on the human body.

Join us Friday, 22 September, at 10:00 CEST for the ‘Earth from Space’ video programme

Operations image of the week: The webcam on Mars Express spots the craters where rovers have roved

The sky could be filled with brief blasts of energy that will help reveal the universe in greater detail.

Until a few days ago, the huge chunk of ice that broke off Antarctica’s ice shelf in July has remained close, buffeting back and forth against the shelf. A68 is now on the move and drifting out to sea

In the first act of lunar exploration, Neil Armstrong and Buzz Aldrin were major characters. In setting its sights on the Moon, ESA hopes to bring many more actors to this off-world stage.  

Technology image of the week: Proba-V captures the world’s largest salt plain, so flat that it is used to check satellite instruments

The SAGA Survey is studying Milky Way siblings to find out.

Human spaceflight and robotic exploration image of the week: Searching for clues in planetary geology

The flow speeds of Antarctica’s fastest-accelerating glaciers in 2008-2014 likely increased because of warm water blown into their bay by La Niña and another climate pattern.

Pepijn Veefkind from the Royal Netherlands Meteorological Institute joins the Earth from Space video programme to discuss Sentinel-5P’s Tropomi instrument

These whirlwinds can affect climate at home and on the Red Planet.

The Sun’s recent activity has caught the interest of scientists and space weather forecasters worldwide, highlighting the need to keep a watchful eye on our star and its awesome power.

Thousands of new jobs and boosted local economies are the direct results from ESA’s investment in young companies through its business incubators, which have now fostered more than 500 start-ups that adapt space technology and satellite services for use on Earth.

An app that uses satellite imagery to give flight travellers an interactive, bird’s-eye view of their routes took the top prize at this year’s Space App Camp at ESA’s centre in Frascati, Italy.

Are you passionate about our planet and interested in how satellites help to improve everyday lives and do you share your passion via social media? Then ESA’s next SocialSpace event is for you.

Video: highlights of a month in space on Paolo Nespoli’s third mission

Leaving Earth means learning how to produce necessities like food, water, and oxygen.

Space Science Image of the Week: Share your favourite memory of the Herschel space observatory as we celebrate the legacy of this extraordinary mission

NASA’s Cassini spacecraft made a fateful plunge into the atmosphere of Saturn, ending its 13-year tour of the ringed planet.

NASA’s Cassini spacecraft made a fateful plunge into the atmosphere of Saturn, ending its 13-year tour of the ringed planet.

Our week through the lens: 11-15 September 2017

Cassini’s last look around Saturn’s neighbourhood before concluding its 13-year journey of discovery

Follow the presentation of projects from this year’s Space App Camp via live webstream at 08:30–13:00 CEST on 18 September

The international Cassini mission has concluded its remarkable exploration of the Saturnian system in spectacular style, by plunging into the gas planet’s atmosphere.

Four of the latest set of Galileo navigation satellites will be launched on Ariane 6 rockets – ESA’s first contract to use Europe’s new vehicle.

A chapter in the exploration of the outer solar system ends. Hopefully, it will someday resume.