Exoplanets aren't the only objects floating around other stars—they likely have comets and asteroids as well. Even some of ...

When the ESA launched the Gaia spacecraft in 2013, it didn't generate the same fanfare as the launch of other missions like the JWST, or first light from telescopes like the Vera Rubin Observatory.

Researchers for half a century have tried — and failed — to use the motion of stars moving across the sky to discover planets that lie beyond the solar system. Now a team has finally used the method, ...

Background. Relative astrometry at or below the microarcsec level with a 1 m class space telescope has been repeatedly proposed as a tool for exo-planet detection and characterization, as well as for ...

ABSTRACT The first step toward doing high‐precision astrometry is the measurement of individual stars in individual images, a step that is fraught with dangers when ...

The century-old brass telescope was broken in places and long past its useful life — but it captured Lennart Lindegren's heart. Forty years ago, when Lindegren was a graduate student at the Lund ...

"This is four times more people than saw Neil Armstrong walk on the moon. Think about what a world event this is going to be.

Chinese astronomers have proposed a space telescope survey program to search for habitable exoplanets some 32 light-years from Earth. This would be the world's first space exploration mission ...

Comet 3I/ATLAS is the third ISO ever detected. It was discovered by the Asteroid Terrestrial-impact Last Alert System (ATLAS) station on 1 July 2025. It's traveling through the inner solar system at ...