A compound lens forged by two galaxies is helping astronomers get a bead on the Hubble Constant and dark energy.

An international team led by researchers in Japan and Europe has discovered a new multi-planet system around a sun-like star, ...

The movements of the planets in the Solar System are pretty difficult to get your head around, even before we get started on ...

Astronomers using the James Webb Space Telescope have detected possible signs of gases released by volcanic activity on a ...

Nov. 13, 2024 — An asteroid struck Mars 11 million years ago and sent pieces of the red planet hurtling through space. One of these chunks of Mars eventually crashed into the Earth and is one of ...

One of the most challenging aspects of astrobiology and the Search for Extraterrestrial Intelligence (SETI) is anticipating ...

Video. While world leaders discussed climate finance and emissions cuts, protesters urged wealthier nations — the main ...

The photograph of the Milky Way was taken by Oisin McDonnell, who is based in South Australia. He shared the image in a ...

To estimate how close a supernova would have to be to cause serious damage to Earth, we must first look at a supernova's ...

By probing chemical processes observed in the Earth's hot mantle, Cornell scientists have started developing a library of ...

NASA selects two proposals for missions to observe X-ray and far-infrared wavelengths of light from space for additional ...