Starlight is eroding the atmospheres of a handful of gassy exoplanets that are a bit smaller than Neptune, gradually exposing the rocky cores within.
The measurement helps refine the dividing line between neutron stars and black holes.
A distant galaxy cluster’s violent past and the onset of star formation in the more remote universe lie buried in the observatory’s first image.
Gas clouds in the Fermi bubbles have a wide range of chemical compositions, suggesting some may have been ripped from other galaxies.
Amped-up neutron stars, pairs of magnetically entangled neutron stars or magnetar quakes could explain a three-second-long train of radio blips.
Astronomers have spotted a rotating galaxy whose light comes from just 500 million years after the Big Bang.
President Biden revealed the NASA telescope's image of ancient galaxies whose light has been traveling 13 billion years to reach us.
Dozens of newly examined brown dwarfs have clouds of silicates, confirming an old theory and revealing how these failed stars live.
Scientists are developing quantum communications networks on Earth. Aliens, if they exist, could be going further.
Seen as it was 700 million years after the Big Bang, the galaxy churns out a relatively paltry number of stars. And yet it’s heaving gas into space.