Editorial: Over the holiday period, the Guardian leader column is looking ahead at the themes of 2026. Today we look skyward, where a new lunar contest mirrors humanity’s struggle to live within plane ...

Skimming just 60 miles above the surface, astronauts Frank Borman, James Lovell, and William Anders stared into the Moon’s ...

An alien comet, a Martian volcano, a man’s fall from the sun and a groundbreaking telescope’s first images: Here are the most jaw-dropping space photos of 2025.

Mars ended NASA’s InSight mission on its own terms, not with a dramatic crash or a catastrophic malfunction, but with a slow, ...

The Sun has never looked quite like this. With a quartet of small satellites flying in formation, NASA’s PUNCH mission is ...

Man is returning to the moon - and with him old rivalries and new ambitions. Europe wants to have its say; Germany wants to ...

Vladimir Putin jokes that interstellar comet 3I/ATLAS is a 'secret weapon' as the mysterious object sweeps past Earth.

The International Space Station will be visible over the UK on Christmas morning. How and when can you see it?

"The Giant Leap," by astrobiologist Caleb Scharf, is an optimistic account of our widening journey into the cosmos.

Futurist Michio Kaku sees humans doing ballet on Mars and projecting their brains into the cosmos. And aliens? Oh, they're ...

"The cosmic dipole anomaly has thus established itself as a major challenge to the standard cosmological model, even if the ...

Kuiper Belt clues, competing ideas, and how Rubin Observatory could finally reveal the hidden world soon by 2026.