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A prototype satellite that will test hardware for Google's planned Project Suncatcher AI constellation will launch aboard a SpaceX rocket next week, if all goes to plan.
SpaceX completed a wet dress rehearsal with its Starship megarocket today (Sept. 24), keeping the vehicle on track for a Sept. 28 launch of its first-ever orbital flight.
Astronomers have discovered the first microblazar in the Milky Way, a black hole-powered particle accelerator that is blasting near-light-speed plasma jets at Earth.
'He's showing true courage for the first time in his life. That's a beautiful trajectory to play.'
High definition, slow-motion views of NASA's Artemis II launch last April have been released to the public, showcasing dozens of angles of the Space Launch System rocket lifting off the pad.
On Sept. 24, 2014, India's first interplanetary mission entered into orbit around Mars in a stunning feat of space engineering. Here's why it mattered.
Black holes come in a vast array of sizes, from many times the mass of the sun, up to billions of times the size of our star, but the "burps" they emit when feeding seem to be remarkably similar.
Use September's full moon as a guide to spot the ringed planet, then turn a telescope toward two of the night sky's most rewarding sights.
