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.
On Good Friday, March 27, 1964, south-central Alaska heaved under the biggest earthquake recorded in North America, registering a 9.2 on the Richter scale.
Cancer the Crab is one of the 12 constellations of the zodiac. Learn how to find it in your sky, plus learn about its star cluster, mythology and more.
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?
Vela the Sails is a constellation that was once part of the large Argo Navis the Ship. You can see it best from the Southern Hemisphere on March evenings.
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.