Mercury is tiny, barely bigger than the Moon. Its metallic core makes up 70% of the planet’s mass, vastly exceeding Earth’s ...

"Understanding these weather processes will be crucial as we continue to discover and characterize exoworlds in the future." ...

See the epic view of the moon and Earth captured by the Orion spacecraft ahead of its outbound powered flyby. Credit: NASA / ...

Cosmic dust, it turns out, isn’t made of miniature rocks. It’s fluff. A comprehensive analysis of data from space missions, ...

Rising around midnight and nearly 50° high in the south two hours before sunrise is Orion the Hunter, one of autumn's premier constellations. As the season progresses, Orion will rise earlier and ...

This article, originally titled "The Man Who Discovered the Universe," is from the Summer 2025 issue of Air & Space Quarterly ...

Astronomers using the James Webb Space Telescope are unraveling the mysteries of TRAPPIST-1e, an Earth-sized exoplanet 40 ...

Hundreds of scientists and engineers, NASA leaders, lobbyists, congressional staffers and Senator Mark Kelly of Arizona are also discussing the search for ET. Surveilling alien worlds for signs of ...

Floating high above Earth's atmosphere, the Hubble Space Telescope has captured some of the most breathtaking images ever ...

Astronomers hunting for evidence of the light from the first stars and galaxies have found that the universe was warm, rather than cold, before it "lit up." ...

This October half-term, Stowe House is opening its doors to families for a line-up of seasonal fun that’s packed with ...