Known as dinosaur stars for both their primeval nature and their immense size, Population III stars existed only when the ...

NASA's Curiosity rover has found evidence of water on ancient Mars with "rippled textures" and "landslide debris" in the ...

The Artemis II mission will set several notable human spaceflight records. Astronauts Reid Wiseman, Victor Glover, Christina ...

The James Webb Space Telescope has delivered its clearest view yet of a supermassive black hole's immediate surroundings, ...

Astronomers realized that a strange cloud of gas was actually a relic of the ancient universe which might help solve some of ...

NASA early Saturday started the slow roll of the Artemis II rocket to Launch Pad 39B at Kennedy Space Center in Florida for ...

A Mars spacecraft has now been AWOL for more than a month. But NASA hasn't given up hope of restoring contact with the MAVEN ...

The US government space and energy agencies have renewed their commitment to work together to develop a fission power source ...

New photos show off NASA's newly constructed Roman Space Telescope, which will soon help researchers unravel the mysteries of ...

In 2026, astronauts will travel around the moon for the first time since the Apollo era, powerful new space telescopes will ...

The controversial plans to move the space shuttle Discovery to Houston have become even murkier following recent comments ...

Instead, this new research suggests that black holes actually act like "cosmic seesaws," switching between these two distinct ...