Astronomy

Ukrainian startup Promin Aerospace is developing a “self-devouring” rocket built from a material that its engine can burn as fuel.

Nuclear thermal propulsion systems could power missions to Mars, help defense satellites evade attacks, and more.

To help protect Earth from potentially hazardous asteroids, astronomers developed an algorithm to look for them in existing datasets.

Saturn's Iapetus, discovered way back in 1671, has three bizarre features that science still can't fully explain.

Ethan Siegel

The first non-American to reach the lunar surface will likely do so as part of NASA’s Artemis mission — and could be a Japanese astronaut.

Australian astronomers have discovered the brightest pulsar ever seen outside the Milky Way by putting “sunglasses” on a telescope.

NASA’s Perseverance rover has begun its Delta Front Campaign, the part of its mission most likely to produce evidence of past life on Mars.

Data from China’s Zhurong rover suggests there was substantial liquid water on Mars far more recently than we thought.

Stanford scientists have designed a gravity telescope concept that could take stunningly clear images of exoplanets.

The sheer amount of stuff already floating in space makes the domino effect of explosions a likely possibility.

Paul Ratner