Sierra Space reached for the stars but never got off the ground. The privately held company burned through much of the $1.7 ...

New images of the interstellar object, 3I/ATLAS, shows its nucleus and a surrounding coma with a diameter reaching several ...

Yesterday at the Space Economy Summit, hosted by The Economist, Margaritaville announced the launch of a unique mission patch in support of research sponsored by the International Space Station (ISS) ...

Photo: NASA The last week of October, NASA successfully tested its first quiet supersonic jet in a short, low-speed flight ...

Japanese golfers Nasa Hataoka and Miyu Yamashita each shot 7-under 65 on Thursday to stand atop the leaderboard after the ...

McKinsey estimates the space economy will grow from $630 billion in 2023 to $1.8 trillion by 2035 — a reminder that leadership in space will also mean leadership in the global economy. The use of ...

We've been so engrossed in coverage of 3I/ATLAS that we nearly failed to note another comet currently in Earth's skies. This ...

A star 2.5 million times brighter than our Sun just disappeared - no explosion, no debris, nothing. Scientists can’t explain ...

Some of Earth's oldest rocks buried deep in Western Australia may hold new clues about the dramatic event that gave rise to ...

While helium-3 is exceedingly rare on Earth, it’s plentiful on the Moon. But getting it won’t be simple. The race to harvest ...

I/ATLAS is making headlines after new images show no sign of a comet tail. Here’s what Avi Loeb and scientists think about this mysterious interstellar visitor.

NASA’s Mars rover collected rock samples that could reveal if the planet once hosted life. Here’s what scientists plan to do ...