Elon Musk is no longer talking only about Mars. He has started to sketch a path that runs from the…

The astronauts of SpaceX Crew-11 are coming home far earlier than planned, not because of a technical failure but because…

The hunt for worlds beyond our solar system has shifted from counting planets to confronting extremes that strain basic physics.…

Hints of life may have just flickered into view from a world 124 light-years away, and the signal is coming…

Astronomers have just watched a supermassive black hole tear apart a gigantic star, releasing a burst of light so intense…

Deep beneath the forests and lakes of northern Minnesota, researchers say they have found traces of a substance long treated…

Interstellar comet 3I/ATLAS has just pulled off the kind of stunt that keeps planetary scientists humble. After racing through its…

Turning Martian dust into shelter has long sounded like science fiction, but researchers are now treating it as an engineering…

Jupiter’s most famous storm is slimming down, spinning up and behaving in ways that challenge what scientists thought they knew…

For decades, Jupiter’s moon Europa has been cast as one of the solar system’s best bets for alien life, a…