Visible planets and night sky guide for May 2024. Today, Jupiter is on the opposite side of the sun from Earth. But we can see it thanks to the SOHO spacecraft.
Crepuscular rays form around twilight when particles in the atmosphere reflect the sun's light beams toward our eyes. See photos of the phenomenon here.
Corona Borealis, the Northern Crown, is an almost-perfect semicircle of stars. In the northern summer of 2024, it might be home to a nova, or "new" star.
Is AI - artificial intelligence - the great filter that alien civilizations are unable to evolve beyond? The threat of AI and our own self-destruction, here.
Two teams of astronomers in Europe say they have found 60 Dyson sphere candidates. Are they alien megastructures or a previously unknown natural phenomenon?