Astronomers confirm third interstellar object, 3I/Atlas, a fast-moving comet from deep space, giving rare insight into ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

Astronomers this week confirmed the discovery of an interstellar object racing through our Solar System – only the third ever ...

As lightning strikes across the world, some scientists wonder if it plays a hidden role in Earth’s energy balance, hinting that these powerful flashes could be nature’s way of resetting atmospheric ...

This emission is strongest under conditions which are intermediate between those in the interior of nebula and those in the dense cloud.

NASA has discovered an interstellar comet that's wandered into our backyard. The space agency spotted the object with the ...

In April, scientists announced that they had used NASA’s James Webb Space Telescope to find a potential signature of alien life in the glow of a distant planet. Other scientists were quick to ...

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.