On Thursday 27 March, the European Space Agency (ESA) sent its last messages to the Gaia Spacecraft. They told Gaia to shut ...

After over a decade of stellar service, ESA’s Gaia spacecraft has been retired – but its legacy is just beginning. From ...

Who's up for a historic late-night launch? Weather permitting, SpaceX will launch a spacecraft carrying the first people to ...

"As the large and bright discs are the easiest to observe, our previous view of the birth site of planets was biased." ...

The NEO Surveyor fulfills a 2005 act of Congress ordering NASA to catalog 90% of near-Earth objects larger than 459 feet (140 ...

Europe's Gaia space telescope was powered down and sent into "retirement" on Thursday after a decade revealing the secrets of ...

The final messages sent to Gaia will continue to be carried out into space as the observatory sleeps, and as data from it ...

The alignment only happens at special times, and that’s because the orbit of the Moon around the Earth is slanted with ...

A case in point: a European Space Agency satellite, known as ERS-2, launched in 1995 and inactive since 2011, tumbled through ...

A "potentially hazardous" Apollo-class asteroid will be making its closest pass by Earth in more than 100 years this week.

In late 2024, astronomers spotted asteroid 2024 YR4 on a trajectory that could potentially threaten Earth. This observation ...