This has proven to be a hard job. Gaia, launched on December 19, 2013, was deliberately designed to be resilient and have multiple backup computer systems that could reboot the satellite in the ...

I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.

The Milky Way-mapping satellite Gaia has released its third catalog of data, which includes 10 times more information regarding asteroids compared with its second data catalog, ...

Using ESA's Gaia satellite, astronomers have serendipitously discovered a new open cluster in the Milky Way galaxy. The newfound cluster, which received the designation Ash-1, is relatively young ...

The star-mapping Gaia satellite was struck by high-speed micrometeoroid, and it left a gap in the shield, scientists say. ESA/ATG medialab; background: ESO/S. Brunier Science fiction movies that ...

The star-mapping Gaia satellite was struck by high-speed micrometeoroid, and it left a gap in the shield, scientists say. ESA/ATG medialab; background: ESO/S. Brunier Science fiction movies that ...

The star-mapping Gaia satellite was struck by high-speed micrometeoroid, and it left a gap in the shield, scientists say. ESA/ATG medialab; background: ESO/S. Brunier Science fiction movies that ...

The star-mapping Gaia satellite was struck by high-speed micrometeoroid, and it left a gap in the shield, scientists say. ESA/ATG medialab; background: ESO/S. Brunier Science fiction movies that ...

The star-mapping Gaia satellite was struck by high-speed micrometeoroid, and it left a gap in the shield, scientists say. ESA/ATG medialab; background: ESO/S. Brunier Science fiction movies that ...

The star-mapping Gaia satellite was struck by high-speed micrometeoroid, and it left a gap in the shield, scientists say. ESA/ATG medialab; background: ESO/S. Brunier Science fiction movies that ...

The star-mapping Gaia satellite was struck by high-speed micrometeoroid, and it left a gap in the shield, scientists say. ESA/ATG medialab; background: ESO/S. Brunier Science fiction movies that ...

The star-mapping Gaia satellite was struck by high-speed micrometeoroid, and it left a gap in the shield, scientists say. ESA/ATG medialab; background: ESO/S. Brunier Science fiction movies that ...