Scientists already knew that lightning is an electrical discharge between thunderclouds and Earth's surface, but exactly how ...

Using the Hubble Space Telescope, astronomers have discovered a new rogue planet that was orphaned from its home planetary ...

Researchers studied the L 98-59 system and confirmed five rocky planets. One is in the habitable zone and may support liquid water.

Aliens are visiting our solar system. Not little green men, sadly, but natural alien objects—cosmic bodies such as comets and ...

Webb has been orbiting more than a million miles from Earth, capturing breathtaking images of deep space. But how does it ...

Betelgeuse, one of the brightest stars in the night sky, may not be alone. And its potential companion may be responsible for ...

Noah Hawley, Sydney Jordan and Timothy Olyphant talk about the mutual admiration society they formed on the set of "Alien: ...

A NEW Earth-sized planet has been discovered in a faraway constellation – and it would kill any astronaut who dare travel ...

International astronomers have for the first time witnessed the birth of a planetary system beyond Earth's sun that could one ...

A key method of forming planets finally has observational evidence, thanks to a network of radio telescopes in the U.K. that ...

The James Webb Space Telescope's ability to see in near- and mid-infrared light allowed it to capture this view of Herbig-Haro 49/50. A spiral galaxy appears at its edge in the upper left.