For 50 years, astronomers have puzzled over a strange star in Cassiopeia bright in X-rays. But new data from XRISM revealed the culprit: a hidden companion.
Scientists found all 5 fundamental units of life’s genetic code in asteroid Ryugu. Could these building blocks have formed in space and been delivered to Earth?
NASA's new exoplanet mission - called SPARCS - has taken its 1st light images. It will monitor low-mass stars to see if their planets could be habitable.
The Minor Planet Center announced 4 more moons for Jupiter and 11 for Saturn on March 16, 2026. Their new grand totals? Saturn has 285 and Jupiter has 101.
L 98-59 d is a molten super-Earth exoplanet, with a deep subsurface global ocean of magma. The study's results come from new analysis of data from Webb.
Hubble captures a rare moment as a comet breaks apart after passing close to our sun. The images revealing ancient material from the early solar system.