The SPHEREx astrophysics mission will take stock of water’s cosmic origins by scanning the galaxy for hidden reservoirs.

The laser-based system could potentially allow China to scrutinise foreign military satellites with unparalleled precision.

NASA has officially upgraded the likelihood of Earth being hit by an asteroid. The space rock, known as 2024 YR4, has been upgraded a number of times. At the end of January it was given a 1 per cent ...

The chances of an asteroid striking Earth within the next decade has more than doubled in a matter of weeks, according to ...

Astronomers have taken a major step in understanding how planets form, thanks to the James Webb Space Telescope (JWST). A ...

YR4 has a small chance of hitting Earth in 2032, but as astronomers make more observations about its trajectory, the odds of ...

Astronomers have peered into an alien planet's atmosphere and found extreme weather unlike anything in the solar system.

The research has been published in the peer-reviewed journal Nature.

Two weeks ago, when Ars first wrote about the asteroid, designated 2024 YR4, NASA's Center for Near Earth Object Studies ...

Astronomers have unlocked a new way to explore alien worlds by mapping the 3D structure of an exoplanet’s atmosphere for the ...

Updates on Asteroid 2024 YR4 have been slower during the full Moon, but experts say the precision of the object’s orbit is ...

Astronomers have mapped, for the first time, the three-dimensional structure of an exoplanet’s atmosphere, revealing ...