On December 5, 2024, NASA announced a further delay to the Artemis 2 and 3 missions. Artemis 2 is now scheduled for no earlier than April 2026. More here.
ESA is launching an ambitious spacecraft to study the sun's atmosphere. Proba-3 comprises 2 satellites that will align to form an artificial solar eclipse.
Observers in Puerto Rico reported hearing low-frequency sounds as the SpaceX Starship rocket flew past on November 19, 2024. Were they electrophonic sounds?
Europa Clipper is on its way to explore Europa, the icy ocean moon of Jupiter. Deployment and testing of its instruments is underway and going smoothly.
An old UK Skynet satellite should still be over East Africa. But instead it's now over the Pacific Ocean near western South America. Who moved it and why?
Join us at 12:15 CST (18:15 UTC) on Monday, November 11, when former NASA chief Alan Stern will be discussing the Fermi Paradox. Where are all the aliens?
Join EarthSky's Dave Adalian LIVE at 12:15 p.m. central (17:15 UTC) on September 30. He'll be chatting with Eric Berger, senior space editor at Ars Technica.