We have spotted two planets orbiting a backwards-spinning star

In the K2-290 planetary system, 897 light years away, two planets orbit a star in one…

Avi Loeb: Is ‘Oumuamua extraterrestrial technology?

Avi Loeb suggests ‘Oumuamua could be an alien spacecraft and that the search for extraterrestrial life…

Evidence for a hidden ‘Planet Nine’ beyond Neptune has weakened

Strange clustering of objects in the outer solar system once seemed to point to the existence…

NASA is about to land a helicopter on Mars that might glow in the dark

NASA’s Perseverance rover is due to touch down on Mars on 18 February, and it is…

Young galaxies grow up faster than astronomers previously thought

A young galaxy has the hallmark central bulge and spiral arms of a much older one,…

NASA’s Perseverance rover is about to land on Mars and look for life

On 18 February, NASA’s Perseverance rover will land on Mars, where it will look for signs…

Build colonies or save spacecraft in the best video games set on Mars

As real spacecraft begin to arrive at the Red Planet, let’s celebrate with Mars-based games like…

China’s Tianwen-1 mission is now orbiting Mars ahead of landing

The Tianwen-1 mission, China’s first independent interplanetary mission, has reached orbit around Mars and is now…

Avi Loeb interview: Could ‘Oumuamua be alien technology after all?

Harvard astrophysicist Avi Loeb has drawn criticism for suggesting a weird object passing through the solar…

A dead star may have munched down on an icy exomoon

We have yet to confirm the existence of moons beyond the solar system, but astronomers say…