Spacecraft

Solar Orbiter isn’t the first spacecraft to study the sun’s poles—but it’s the first to send back photographs

A vitriolic war of words between President Donald Trump and SpaceX CEO Elon Musk could have profound repercussions for the nation’s civil and military space programs

Telescopes in space give us a view we literally cannot get from the ground

The largest, most powerful launch vehicle ever built is meant to be a key part of SpaceX’s plans to send humans to Mars—and NASA’s plans to return astronauts to the moon, too

The White House’s $175-billion plan to protect the U.S. from nuclear annihilation will probably cost much more—and deliver far less—than has been claimed, says nuclear arms expert Jeffrey Lewis

NASA’s nearly complete yet canceled lunar rover VIPER isn’t going to get carried to the moon by a private space exploration company—but it’s also not quite dead yet

A reappraisal of decades-old data suggests that strange circular formations on Venus could be volcanic “rings of fire” created by ongoing geological activity

A spacecraft is set to fall from the skies, 28 U.S. cities slowly sink, and a new study pinpoints how the overindulgence of the wealthy contributes to massive warming. 

Kosmos-482, a failed mission to Venus from the former Soviet Union that stalled in Earth orbit in the 1970s, is about to fall back to our planet. Exactly where or when it will strike, however, remains unknown

An unhinged 2026 U.S. budget proposal would hollow NASA to a husk bent to Elon Musk’s whims. Only one mission can save the space agency

The Trump administration’s plans to cut NASA’s science missions will destroy the U.S. space legacy

Amid harsh cuts, the Trump administration has proposed canceling the nearly ready-to-launch Nancy Grace Roman Space Telescope