The radio signature is exactly what we’d expect from a water-rich comet,” said one of the researchers, which captures the ...

The asteroid Apophis, also known as 99942 Apophis, will have its historic close approach to Earth on Friday, the 13th of ...

On Dec. 28, 2000, NASA’s Galileo spacecraft discovered auroras on Ganymede, Jupiter’s largest moon. Galileo launched in 1989 ...

Kicking off the year’s cosmic wonders is the moon, drawing the first astronauts to visit in more than 50 years as well as a ...

Claims accusing NASA of hiding details have sparked anger over the 3I/ATLAS space discovery photos. There is an object from ...

From new exoplanetary neighbors and a weakening dark energy to the best evidence for life on Mars and an interstellar comet ...

James Webb Space Telescope captured the light of a dying star, supernova GRB 250314A, from when the universe was only 730 ...

Leading X-ray space telescopes XMM-Newton and XRISM have spotted a never-seen-before blast from a supermassive black hole. In ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

NASA's Mars rover that's exploring the planet and conducting research, including picking up samples for analysis back on Earth, found a "texture unlike anything we've seen before". The Perseverance ...

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

Fourth anniversaries aren’t often causes for celebration. But in the case of the James Webb Space Telescope (JWST), which ...