New data reveal first detected interstellar object to be a rocky, and up to one-quarter mile (400 meters) long and highly-elongated-perhaps 10 times as long as it is wide.

Seasonal dark streaks on Mars that previously were described as possible signs of flowing water have steep slopes that are better matches to dry flow processes.

Puerto Rico’s iconic Arecibo Observatory will remain open after the National Science Foundation announced continued funding last week.

How do you make a supermassive black hole more quickly?

Visualising 15 years in space for ESA’s Integral satellite

Three NASA missions launching in the next two years will look at vegetation across our living planet to investigate the role of plants in Earth’s carbon and water cycles.

Our week through the lens: 13-17 November 2017

The dwarf planet’s hazy smog layer may chill the world more than expected.

In the 248th edition, discover Chile’s largest salt flat in the Atacama Desert

A super-Earth exoplanet thought to sport lava lakes on its hot side, 55 Cancri e, likely also wears an atmosphere with ingredients similar to Earth’s, a new study indicates.

The equivalent of up to three-quarters of the carbon stored in contiguous U.S. forests is locked in the living vegetation of one African country, according to new research.

A super-Earth exoplanet thought to sport lava lakes on its hot side, 55 Cancri e, likely also wears an atmosphere with ingredients similar to Earth’s, a new study indicates.

For the first time, astronomers have found observational evidence of a contracting white-dwarf star.

The nature of dark matter remains elusive, but astronomers are now one step closer to the answer.

These striking features on Mars were caused by the planet’s crust stretching apart in response to ancient volcanic activity.

Operations image of the week: A meteoroid as big as a football was seen by thousands as it burned up in the atmosphere over Europe in the evening of 14 November 2017

The EDRS–SpaceDataHighway has now begun relaying Earth images from Sentinel-2A, which marks the last of four Copernicus satellites in orbit being brought under the EDRS service.

The knowledge and tools NASA has developed to study life on Earth will be a great asset to the study of planets beyond our solar system.

Human Spaceflight image of the week: Astronauts, planetary scientists and engineers cast their shadows at the rim of a volcanic crater

Ross 128 may be our nearest chance to find life in another solar system.

Technology image of the week: Where no CubeSat has gone before; ESA’s M–Argo has been designed to survey small asteroids in deep space

Climate scientists studying three decades of ozone measurements from seven satellites see a positive trend in global recovery thanks to international efforts to curb ozone-depleting substances.

First flight tests of the mission’s supersonic parachute have yielded dramatic video.

You can view the 2019 total solar eclipse from La Silla Observatory in Chile.

To explore low-frequency gravitational waves, researchers look to a natural experiment in the sky called a pulsar timing array.

You don’t have to be a scientist or an engineer to join our space adventure. Check out the creative ways you can be involved and inspired…

Use coupon code COMET in the ESAshop checkout to land free standard shipping on your next purchase of ESA products. Spreadshirt’s offer flies by 14–16 November

An expedition of astronauts, planetary scientists and engineers is off to Spain’s Canary Island of Lanzarote to learn best how to explore uncharted planets. The training will equip space travellers with a geologist’s eye. 

Looking for life in Titan’s totally alien seas could start with Earth’s own asphalt lake.

Space Science Image of the Week: Phobos, the Red Planet’s innermost moon, sneaks into Hubble’s image of Mars

Our week through the lens: 6-10 November 2017

In this week’s edition, the Sentinel-2B satellite takes us to the Republic of Fiji in the South Pacific Ocean

Surface features on Ceres and its interior evolution have a closer relationship than one might think.

Human Spaceflight image of the week: ESA astronaut Paolo Nespoli’s room with an atypical view

NASA’s Orion spacecraft aims to send humans further into space than ever before, and ESA’s European Service Module will provide the essentials for keeping the astronauts alive and on course.

A review of the programme by NASA to assess pro…

A new study finds frozen microbes could indeed survive the harsh martian climate for millions of years.

Operations image of the week: Engineers ensure that the hardware and software used to control satellites works without errors

In this special edition of Earth from Space, discover how radar data from the Copernicus Sentinel-1 mission has been used to advance science and in emergency response

Astronomers discovered a bizarre “zombie” star that went supernova not just once, but twice.

A recent roundtable discussion hosted by The Kavli Foundation delves into the latest dark matter map of the cosmos.

Arianespace has launched a Vega rocket to deliver an Earth observation satellite into orbit for the Kingdom of Morocco.

A geothermal heat source may help explain why West Antarctica’s ice sheet is so unstable.

Life on Earth has a myriad of problems, but gravity isn’t one of them – staying grounded means organisms can soak up the light and heat that enables growth. 

NASA invites the public to submit nicknames for MU69, a distant Kuiper Belt object.

Astronomers created a model for Saturn’s moon Enceladus that may explain why its subsurface ocean has yet to freeze solid.

Astronomers have spotted a visitor from another solar system.

A new study finds heat from friction could power hydrothermal activity on Saturn’s moon Enceladus for billions of years if the moon has a highly porous core.

Enough heat to power hydrothermal activity inside Saturn’s ocean moon Enceladus for billions of years could be generated through tidal friction if the moon has a highly porous core, a new study finds, working in favour of the moon as a pot…

ESA astronaut Paolo Nespoli marks his 100th day in space for the Vita mission.

Space Science Image of the Week: Cassini catches small moon Daphnis making waves in Saturn’s rings

This web of telescopes will help astronomers unlock the mystery behind black holes, pulsars, and more.

An international team of astronomers led by NASA scientists successfully completed the first global exercise using a real asteroid to test global response capabilities.

An open call generated overwhelming response from the public.

Our week through the lens: 30 October – 3 November 2017

When is the last time you used space technology? Probably a matter of minutes ago, if you took bearings on your phone, checked the weather or withdrew money. Starting today, European Space Week celebrates space for the rest of us – as a so…

A rare pair tells a strange tale of a premature stellar death.

Astronomy has a Q&A with Guillem Anglada Escude, one of the discoverers of the nearest exoplanet to us.

In this week’s edition, the Sentinel-3A satellite gives us a view from the fourth most populous city to the rugged Outback of Australia

NASA’s Juno spacecraft completed its eighth science flyby over Jupiter on Tuesday, Oct. 24.

ESA is offering graphic designers and artists a unique opportunity to feature their work on the rocket carrying the Cheops satellite.

Human Spaceflight image of the week: Testing the Heracles lunar rover

With liftoff on the horizon, ESA’s Aeolus satellite is going through its last round of tests to make sure that this complex mission will work in orbit. Over the next month, it is sitting in a large chamber that has had all the air sucked o…

It’s a perpetual summer day.

NASA’s Mars 2020 rover will be armed with an impressive array of 23 cameras to help it analyze and navigate the red planet.