The Milky Way's monster black hole let out a huge blast 200 years ago. We can now listen to its echo (video)

Cosmonaut rounds out SpaceX's Crew-7 mission to the space station

Giant Eruption Plume from Tonga’s Volcano Produced Most Intense Lightning Rates Ever Detected

Sun unleashes giant X-flare in outburst that could spark auroras on Mars (video)