The new report comes as many world leaders prepare for the U.N.'s COP30 climate summit in Brazil next week — for reference ...

A stellar-mass black hole 33 times heavier than the sun has been discovered only 2,000 light years from Earth, making it both ...

Analysis suggests that the most luminous burst of light ever detected from a black hole — a fireworks show that was, at its peak, more than 10 trillion times brighter than the Sun — flared up as the ...

We've been so engrossed in coverage of 3I/ATLAS that we nearly failed to note another comet currently in Earth's skies. This ...

Auroras could be visible — especially in darker, rural areas — in Alaska, Washington, Oregon, Idaho, Montana, Wyoming, North ...

In a first-of-its-kind experiment, scientists have recreated "cosmic fireballs" here on Earth in a particle accelerator.The ...

If Christopher Nolan's sci-fi movie Interstellar has you wanting more emotional sci-fi journeys, here's an assortment of ...

Earth's atmosphere is an impediment to astronomical observations. Not only is cloudy weather a problem, but temperature ...

A handful of extremely massive stars, each heavier than 1,000 Suns, may have sculpted the chemistry of the oldest star ...

The Northern lights will be visible in at least 22 U.S. states, according to the National Oceanic and Atmospheric Administration.

Astronomers generally assume that active galaxies may shift and flicker, since their central supermassive black holes tend to feed in uneven and sometimes chaotic forms. Even with all that activity, ...

California hides a secret paradise between its towering mountains, and it’s not where you’d expect. The Feather River National Scenic Byway in Plumas County delivers 130 miles of pure scenic ecstasy ...