After a 35-year journey, Voyager 1 finally reached interstellar space in 2012. The most distant human-made has to venture on ...

Astronomers think they may have identified a new class of astronomical object — something that looks like a galaxy in every ...

PHOENIX — Like a motorboat doing doughnuts in a lake, Betelgeuse’s companion star leaves a wake in the giant star’s ...

The sun’s outer atmosphere resembles a pufferfish.

Long before humans walked the Earth, your solar system had a brush with two blazing blue stars that passed surprisingly close ...

Hubble's latest images of interstellar comet 3I/ATLAS reveal sustained, jet-like eruptions and a carbon dioxide-rich coma ...

What lies beyond Pluto and the Kuiper Belt? Today we explore the Oort Cloud a vast, invisible shell of trillions of icy ...

Comet 3I/ATLAS was discovered on July 1, 2025, by the NASA-funded ATLAS telescope in Rio Hurtado, Chile and was quickly confirmed to be just the third interstellar visitor to our solar system, after ...

As on-orbit capabilities grow more advanced, ground systems are undergoing a transformation of their own. Ground network specialist ST Engineering iDirect, with headquarters in Herndon, Virginia, is ...

This image presents a grid of color-enhanced astronomical observations, each depicting a circumstellar disc—structures of dust and gas surrounding stars. Every square in the grid represents a ...

Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial rocks reveals. When you purchase through links on our site, we may earn an ...

NASA’s Goddard Space Flight Center shared the images of comet 3I/ATLAS. It's possibly as big as Manhattan, likely older than our own solar system and it's traveling through space at speeds of up to ...