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 ...

Solar storms are eruptions that release some of the energy stored in the sun's strong magnetic field. These can create ...

Combining observations from several powerful telescopes, astronomers have detected a gargantuan, 'wobbling' black hole ...

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

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 ...

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

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

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 ...

The crew discussed their science expedition aboard the International Space Station.

To explain these observations, they proposed a new kind of energy that is responsible for driving the universe’s accelerated expansion: dark energy. Astrophysicists now believe dark energy makes up ...

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