3I/ATLAS was just a comet – but could we have defended ourselves if it was aliens?

But 3I/ATLAS is no ordinary rock – it’s a comet from beyond the solar system which greeted the Earth on December 19. It’s ...

2026 will be the year NASA astronauts fly around the moon again — if all goes to plan

The Artemis II mission, which could launch as early as February, is expected to send four astronauts on a trip to the moon, ...