When you really want to get away from it all, sometimes even a remote island isn’t remote enough. Thankfully, if a clutch of sky-high thinking entrepreneurs and designers have their way, we will soon ...

Charleston, SC, astronomy professor answers questions from high school students about wormholes, black holes, colonizing Mars, outer space odors and more.

Ask ten experts where space begins and you might get ten different answers. The atmosphere doesn’t end like a wall—it thins out gradually, so any “edge” is partly a human decision. That decision ...

Launched on Dec. 20, it would travel for the next 23 days on a NASA balloon along the very highest reaches of the atmosphere, ...

An oxygen tank for the upper stage of an Ariane 6 launcher at the ArianeGroup plant Nov. 18, 2025, Bremen, Germany. (Hauke-Christian Dittrich / dpa Picture-Alliance via AFP) BERLIN (AFP) — Germany ...