On July 1, 2025, the Asteroid Terrestrial-impact Last Alert System (ATLAS) survey telescope, located in northern Chile, ...

Gaia, Europe’s Milky Way–mapping spacecraft, shut down earlier this year. It was arguably the most important—and most overlooked—astronomy project of the 21st century ...

By looking at the shifting of stars in photos from the New Horizons probe, astronomers have calculated its position in the ...

When white dwarfs—the hot remnants of stars like our sun—are orbited closely by another star, they sometimes steal mass away ...

ENTs occur when stars that are at least three times as massive as the Sun pass so close to a supermassive black hole that its colossal gravity shreds them to pieces. The resulting string of matter ...

“This pioneering interstellar navigation demonstration and its accompanying publication show that a deep-space mission can ...

Goodnight Gaia. The European Space Agency star-tracking satellite ceased operations on Wednesday, Jan. 15, 2025, after 12 years of mapping the Milky Way.

Europe's star-mapping Gaia space observatory has entered its retirement orbit, after gathering valuable cosmic data for more than a decade.

Astronomers have discovered over 100 new alien worlds so far this year — some many light-years away from Earth — that ...

In fact, July 9 could end up being the shortest day ever recorded by the International Earth Rotation and Reference Systems ...

NASA, ESA, and ground observatories have detected powerful space explosions caused by black holes tearing apart massive stars ...

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