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 ...

Trump and Congress both support returning to the moon. A vibrant commercial space sector and a coalition of international ...

Kicking off the year's cosmic wonders is the moon, drawing the first astronauts to visit in more than 50 years as well as a ...

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

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

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

A sudden flash on the Moon has stunned astronomers, captured live from Earth in a rare, crystal-clear moment of cosmic impact ...

NASA’s SPHEREx space telescope has mapped the entire sky in 102 infrared colors for the first time, revealing cosmic secrets ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what ...

NASA's PUNCH mission is photographing the Sun like never before. It can see comets that are invisible to every other ...

Everyone's favorite interstellar comet, 3I/ATLAS, flew past Earth overnight, coming within about 168 million miles (270 million kilometers) of our planet.

NASA's Perseverance Mars rover may soon set a record for the longest distance driven on another planet.