Scientists think they found evidence of weird ancient stars called "dark stars" that are powered by dark matter instead of ...

Travel back 390 million years after the big bang to the ancient Maisie's Galaxy in this stunning 3D visualization that ...

The James Webb Space Telescope captured amazing imagery of the Chameleon I dark molecular cloud. It harbors the "deepest, ...

The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it ...

Solar systems mostly keep to themselves. What’s ours is ours and what’s not is not. Stars are simply too far from each ...

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

New observations show a star that blew up in two separate bursts, confirming a long-suspected cosmic phenomenon called a ...

New Vera C. Rubin Observatory will allow unprecedented exploration of the cosmos, data and image collection without need to ...

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 ...