Over its planned two-year mission, the $488 million telescope will scan the entire night sky every six months and collect ...

NASA's SPHEREx telescope unveiled its first full-sky map of the universe, combining more than 100 infrared observations into ...

PHOENIX — Like a motorboat doing doughnuts in a lake, Betelgeuse’s companion star leaves a wake in the giant star’s ...

Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...

Using new observations from NASA’s Hubble Space Telescope and ground-based observatories, astronomers tracked the influence ...

NASA and SETI experts scan interstellar visitor 3I/ATLAS for alien 'technosignatures' as scientists say the 137,000mph object ...

The fight over NASA science funding has swung from existential alarm to cautious optimism in a matter of months. What once looked like a near-death experience for some of the agency’s most important ...

NASA’s IXPE has just revealed the hidden geometry of a white dwarf’s cosmic feeding frenzy—using X-rays to see what no ...

NASA has released a decades-long video showing Kepler’s supernova remnant evolving in X-rays, using Chandra Observatory data ...

Sometimes progress in space science does not arrive with a flash. It comes quietly, through patient observation, and then settles into place. That is .

Betelgeuse’s long-standing mystery has been cracked: a hidden companion star is literally reshaping the giant from the inside out.

Astronomers discovered an extremely hot galaxy cluster in the region that was far hotter and older than current theories ...