The 21st century is featuring a second space age that is increasingly private.

For years, the James Webb Space Telescope has been spotting enormous black holes in the early universe that defy all ...

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

"It is exciting to think that Little Red Dots may represent the first direct observational evidence of the birth of the most ...

As much as we like to talk about vibes, actual vibrations underlie pretty much everything about the universe. From the ...

Astronomers have confirmed the earliest barred spiral galaxy in the universe, a Milky-Way-like structure that existed just 2 ...

These are missions only NASA can lead. Everything else should go to partners who can deliver faster and cheaper.

From planet-scorching stellar outbursts to cataclysms so powerful they shiver the very fabric of spacetime, these are some of the biggest blasts our cosmos has to offer ...

What: A forward-looking SETI Live discussion examining the most significant space science missions, discoveries, and ...

Old satellites and other space junk fall toward Earth every day, and the shock waves they create could be used to track their trajectories, according to new research.

NASA is quietly ending financial support for independent planetary science advisory groups, according to a letter posted to the agency’s website on January 16. The affected groups have historically ...

At 3.3 billion light-years across, the ring may challenge the “cosmological principle” that the universe looks uniform at sufficiently large scales.