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Watch the Rosetta mission science press briefing live from the European Geosciences Union, Vienna, on Tuesday 14 April at 12:00 CEST

Invader art arrives at ESA’s spacecraft control centre ESOC in Darmstadt, Germany

Space science image of the week: Rosetta watches the comet’s activity as it approaches the inner Solar System

For the launch of Sentinel-2A, ESA is inviting you to take part in a photo contest focusing on the theme of ‘colour vision’. Enter for a chance to win a trip to ESA’s operations centre for the satellite’s launch event.

For the launch of Sentinel-2A, ESA is inviting you to take part in a photo contest focusing on the theme of ‘colour vision’. Enter for a chance to win a trip to ESA’s operations centre for the satellite’s launch event.

Watch video replays of the daily sessions of the IAA Planetary Defence Conference, recorded 13-17 April 2015 at ESA/ESRIN

Differences in morphology and color across the surface suggest the dwarf planet was once an active body.

New studies have calculated the amount of water in these central latitudes, and it is the equivalent of all of Mars being covered by more than 1 meter of ice.

Smartphones and other personal electronic devices could, in some regions of the world, function as early warning systems for large earthquakes, according to a new study.

Our week through the lens: 6-10 April 2015

Scientists have found that the while the Sun formed 5 billion years ago, the peak of star formation out galaxy likely occurred 5 billion years earlier.

Earth observation image of the week: the glaciers of Argentina’s Los Glaciares National Park, also featured on the Earth from Space video programme

New maps of two recent California megafires that combine unique data sets from the U.S. Forest Service and JPL are answering some of the urgent questions that follow a huge wildfire.

Runners at JPL have begun the first of 22 laps in a marathon-length relay today to celebrate the Opportunity Mars rover’s achievement of driving farther than a marathon on Mars.

Join us Friday, 10 April, at 10:00 CEST for the ‘Earth from Space’ video programme. This week features Argentina’s Los Glaciares National Park

A crucial difference in the “fingerprints” of Earth and the Moon confirms an explosive, interconnected past.

JPL has licensed patents on high-temperature thermoelectric materials to Evident Technologies, Troy, New York.

Human spaceflight and operations image of the week: ESA astronaut Thomas Pesquet with French compatriots and basketball stars Tony Parker and Boris Diaw

Once in space, Sentinel-2A will open its solar wing to generate the power it needs to carry out the task of monitoring Earth’s vegetation. Engineers have recently made sure this move is well rehearsed before the satellite is packed up and shipped to the launch site.

The discovery reveals that the protoplanetary disk surrounding the million-year-old star MWC 480 is brimming with methyl cyanide.

This behavior affects the peaks and valleys in the approximately 11-year solar cycle, sometimes amplifying and sometimes weakening the solar storms that can buffet Earth’s atmosphere.

Researchers from NASA and other institutions are in the U.S. Southwest, aiming to uncover reasons for a mysterious methane “hot spot” detected from space.

Next time you sip a humble glass of H2O, consider this: The story of water connects each of us to processes that shape our universe.

ESA’s François Spoto and Omar Sy join the Earth from Space video programme to discuss the Sentinel-2A satellite and its mission

Forged by the chance alignment of two distant galaxies, this striking ring-like structure is a rare and peculiar manifestation of gravitational lensing.

Observation results show the presence of multiple gas outflows from a protostar, indicating the possible existence of two newborn stars in the region.

Space Science Image of the Week: A massive eruption on the Sun generated this colourful, shimmering auroral curtain

Since its capture by the gravity of dwarf planet Ceres on March 6, NASA’s Dawn spacecraft has performed flawlessly, continuing to thrust with its ion engine as planned.

This Earth Day, April 22, NASA is asking people around the world to share pictures and videos on social media that show there is no place like home — planet Earth.

NASA has selected six scientists as recipients of the 2015 Carl Sagan Exoplanet Postdoctoral Fellowships.

To understand how stars explode, astronomers are studying the debris in detail with sensitive instruments.

This winter, some members of the rover team were busy analyzing the martian atmosphere for xenon, a heavy noble gas.

Our week through the lens: 30 March – 3 April 2015

ESA astronaut Thomas Pesquet will fly to the International Space Station next year on a six-month adventure of science in weightlessness. Now Thomas wants you to think of a name for his flight – and it will appear on the mission patch he will wear in space.

Hubble finds phantom objects near dead quasars

The glowing filaments indicate that these active galaxy cores were once emitting more energy or changed very rapidly, which they weren’t supposed to do.

Scientists believe non-gaseous planets are as prevalent around binaries as around single stars.

Out of more than 15 entries, the St. Louis Astronomical Society wins Astronomy’s annual award honoring astronomy outreach programs.

Highlights from Sentinel-1A’s first 365 days in orbit

NASA’s Mars Reconnaissance Orbiter, at Mars since 2006, made an unplanned switch on Wednesday from one main computer to a redundant one onboard, triggering a hiatus in planned activities.

NASA’s Mars Reconnaissance Orbiter, at Mars since 2006, made an unplanned switch on Wednesday from one main computer to a redundant one onboard, triggering a hiatus in planned activities.

Join us Friday, 3 April, at 10:00 CEST for the ‘Earth from Space’ video programme. This week features a multitemporal Sentinel-1A image of Irkutsk and Lake Baikal

By studying a young star in images 18 years apart, scientists have been able to see exactly what their models predicted.

A recent study shows that RR Lyrae stars may not be as lonely as previously thought.

NASA’s Curiosity Mars rover has climbed uphill from an outcrop it studied for six months and found a site with two-tone mineral veins forming “ice-cream sandwich” ridges.

New NASA data find the snowpack in the Tuolumne River Basin currently contains just 40 percent as much water as it did near this time at its highest level of 2014.

NASA will air an event on Tuesday, April 7, about recent discoveries of water and organics in our solar system, our sun’s role in water-loss in neighboring planets, and our search for habitable worlds.

Technology image of the week: a new way to add augmented reality to a drone’s eye view

Pinpointing when and how they formed should provide insight into the process of galaxy cluster evolution, including the role played by dark matter in shaping these cosmic metropolises.

Cassini’s orbits had carried it high above the planet’s poles over the past two years, during which the mission’s ability to encounter the moons, apart from Titan, was limited.

If an asteroid were spotted headed towards Earth, what could humanity do about it? ESA’s latest mission is part of a larger international effort to find out.

NASA’s Low-Density Supersonic Decelerator (LDSD) project will be flying a rocket-powered, saucer-shaped test vehicle into near-space from the Navy’s Pacific Missile Range Facility on Kauai, Hawaii, in June.

NASA’s Curiosity rover is using a new experiment to better understand the history of the Martian atmosphere by analyzing xenon.

NASA has announced the release of Vesta Trek, a free, web-based application that provides detailed visualizations of Vesta, one of the largest asteroids in our solar system.

Astronomers mine data from the Planck and Herschel missions to find a treasure chest of galaxy clusters.

Human spaceflight and operations image of the week: Concordia crewmember at work in Antarctica

By combining observations of the distant Universe made with ESA’s Herschel and Planck space observatories, cosmologists have discovered what could be the precursors of the vast clusters of galaxies that we see today.

A new study suggests carbon from comets breaking apart acts like a stealth darkening agent on the innermost planet.

Even though cosmic magnetic fields are much weaker than Earth’s magnetic field, they have an important effect in regulating how stars form.

A dual view of Saturn’s icy moon Rhea marks the return of NASA’s Cassini spacecraft to the realm of the planet’s icy satellites.

Space Science Image of the Week: Herschel and Spitzer uncover the tumultuous heart of the Large Magellanic Cloud