I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.

Several planets stand still in the sky, Titan’s shadow transits Saturn, and Venus gives Taurus a second eye in the sky this ...

Astriking discovery by the James Webb Space Telescope (JWST) has unveiled the bizarre and fascinating nature of the exoplanet ...

From asteroids the size of football stadiums to nuclear war and man-made pandemics, it can seem as if humankind is in ...