The astronaut heard the noise during a mission in 2003, a sound that could not be explained at the time, and neither had it been solved now.

Perseverance represents more than a machine. It is a proxy extending humanity’s senses across millions of miles to an alien world. These robotic explorers and the NASA science programs behind them are ...

In 2003, Yang Liwei, the first Chinese astronaut to travel to space, reported hearing a strange, unexplained knocking sound while orbiting Earth aboard China’s Shenzhou 5 spacecraft. The event was ...

Rocket Lab is set to launch its Electron rocket on a hypersonic mission from the Wallops Flight Facility. Where in Virginia will liftoff be visible?

The Habitable Worlds Observatory is poised to tell us whether Earthlike planets are common—if it can get off the ground ...

The aurora borealis is a spectacle of space weather, but solar flares and coronal mass ejections have far more Earthly impacts ...

New observations suggest that the dwarf planet Makemake is surrounded by faintly glowing methane gas. Scientists are unsure if the gas is contained within a wispy atmosphere or being ejected into ...