Aerospace

Russian leader Vladimir Putin claimed his nation conducted a successful flight of a nuclear-powered cruise missile. Here’s how that missile might work

With the successful 11th test flight of its Starship megarocket, SpaceX is on the cusp of a new era in spaceflight

A sweeping U.S. missile defense program comes with many risks, costs and uncertainties, analysts say

After a string of fiery failures, SpaceX’s biggest rocket faces another test flight with sky-high stakes for U.S. space ambitions

With no fuel or engines, tiny explorers will surf sun-warmed air alone to explore high in the skies of Earth and Mars

The latest catastrophic explosion of a Starship upper stage is a significant setback for SpaceX

Starbase, SpaceX’s launch site turned company town in South Texas, faces local opposition from residents outside the city limits

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

The privately funded Fram2 mission is the first ever to take astronauts into polar orbit—and the latest sign of a “new normal” for human spaceflight

Have you seen something inexplicable in the sky? Jon Kosloski, director of the U.S. Department of Defense’s All-Domain Anomaly Resolution Office, wants to hear from you

Chris Rocheleau, Trump’s pick for acting head of the Federal Aviation Administration, has been a longtime agency official and has acknowledged the need to address global warming

The accident that resulted in a commercial airplane crashing into the Potomac yesterday will require air safety investigators to dig deep