The James Webb Space Telescope has spotted one of the earliest and most distant supernovas, marking the death of a stellar ...

The first black hole that astronomers observed "turning off" just turned back on, releasing jets of hot gas into the cosmos.

Found less than a billion years after the Big Bang, these massive objects are upending astronomers’ timeline for how early ...

This rare quasar with spiral arms could help astronomers understand how supermassive black holes feed and grow.

But researchers have used the James Webb Space Telescope, a collaboration of NASA and its European and Canadian space ...

Astronomer Dean Regas gives us the lowdown on the best things to look out for this winter, from a “planet parade” to the ...

NASA astronaut Sunita Williams steps out of the ISS after 7 months in space. Over 260 miles above the South Pacific, she ...

Amateur Astronomer Stumbles Upon Something Strange That Contradicts Previous Models of Jupiter's Atmospheric Composition An ...

“He was very taken with the thought that no phenomenon becomes a true phenomena until it has been observed,” Wald told Salon ...

In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...

Mars, Venus, Jupiter, and Saturn can be spotted without special equipment, with Uranus and Neptune requiring a telescope.