Spacecraft

A special spacecraft will guide the space station through Earth’s atmosphere, but what about other large pieces of space debris?

For the first time, we are sending a spacecraft to explore an alien ocean world—a moon that might host life today

Sooner or later a doomsday asteroid will wipe out most life on Earth—unless, that is, we prevent threatening space rocks from hitting us in the first place

We are in a new and different kind of moon race, one the U.S. is losing. To win, says a former NASA official, we need new strategies

An office in the Pentagon investigated UFOs—and the paranormal—over a decade ago, segueing into a long saga leading to Congressional hearings and breathless news stories today. But the real story looks more like former defense officials pushing their personal mythology, rather than any cover-up of aliens

A small asteroid, 2024 PT5, will spend the next two months alongside our planet as a mini moon before swooping back to deep space

Scientists are putting a new spin on the creation of binary asteroids

Rather than building an obsolescent, obscenely-over-budget jumbo rocket, NASA should turn to building truly innovative space technologies and plan a realistic lunar landing program

The world’s richest man, Elon Musk, owes his superstar success to self-satisfied competitors who blew obvious opportunities

NASA flight engineer Matthew Dominick’s astrophotography helps us see our world—from space

The world’s first commercial space walk, performed by billionaire Jared Isaacman and SpaceX engineer Sarah Gillis, tested new technology and was practically flawless

Starliner’s first crewed test flight has concluded with a successful touchdown—and two astronauts still in orbit awaiting a different ride home