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

Astronomers have confirmed that a recently spotted object is an interstellar visitor, and appears to have come from the ...

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 said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth ...

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.

An interstellar object called 3I/ATLAS is now moving through our solar system, the third one we've seen in the last eight ...