The findings also suggest oxygen may not be a permanent biosignature on habitable planets, impacting the search for extraterrestrial life.

For now, complex life flourishes on our planet thanks to its supply of oxygen. But Earth's atmosphere wasn't always like it ...

Spacecraft burn tons of fuel and leave behind debris—but a clever technique called aerobraking could fix both problems.

The search for life on other worlds needs a way to sift through the chemistry of their atmospheres. If another species ...

The first observations of Pluto by NASA's James Webb Space Telescope (JWST) reveal dramatic phenomena on its surface, like ...

Scientists reveal the clearest images of the Sun’s corona using a new adaptive optics system, opening new paths for solar ...

Information about Uranus is limited. What we know is that the planet is composed mainly of water and ammonia ice, its ...

Discover interesting facts about how the moon formed, what it's made out of, and the many missions humans have launched to ...