The blast may have been a kilonova — a type of neutron star merger — in the wake of a more traditional supernova.

But Rubin’s early data is confounding. Among the newly discovered asteroids, researchers identified 76 with reliable spin ...

In a galaxy where change is usually measured in millennia, NASA has assembled a movie that shows Kepler’s supernova remnant ...

This article (originally published Aug. 13, 2025) has been updated to include new text and illustrations featured in the Jan.

From sticker charts to sunrise alarms, gratitude journals to mini massagers, power into the new year and turn good intentions into lasting routines ...