NASA’s Perseverance rover spotted a stack of rocks on the Martian surface. (Image credit: NASA/JPL-Caltech/ASU) NASA’s Mars Perseverance rover has stumbled across an unusual sight: a stack of rocks on

Refresh Get notified of updates 2026-05-21T23:47:25.551Z SCRUB: SpaceX calls off 1st Starship V3 launch, may fly May 22 SpaceX just called off today’s launch attempt of its first-ever upgraded Starship

The most powerful rocket in history just roared off its launch pad in a spectacular show of power and technology. SpaceX launched the newest version of its giant Starship rocket

The solar cycle was several years shorter and the sun was experiencing an unusually active phase at the beginning of the 13th century — at least, that’s the story told

NGC 1514, also known as the Crystal Ball Nebula, as seen by the Gemini North Telescope at Maunakea in Hawaii. (Image credit: International Gemini Observatory/NOIRLab/NSF/AURA. Image Processing: J. Miller &

Update for May 22, 7:48 pm ET: SpaceX successfully launched its first next-generation Starship V3 megarocket on a test flight from Starbase, Texas on May 22. Our wrap story will