Planet28 Dec 2025The planet that shouldn't existMercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission arriving in 2026 might solve the mystery.28 Dec 20255 Oct 2025The epic hunt for a planet just like EarthExoplanet hunters Christopher Watson and Annelies Mortier explain the long search for a 'twin Earth' capable of sustaining life.5 Oct 202526 Feb 2025What the planets aligning really meansStargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.26 Feb 20253 Jul 2024How solar flares spill out across the Solar SystemThe Sun is extremely active right now, blasting the Earth with the biggest solar storms in 20 years. This is what it is doing to the rest of the Solar System.3 Jul 202414 Dec 2023Alien aurora: The light shows on other worldsScientists recently discovered an infrared aurora on Uranus, but these light displays are surprisingly common on other planets and are providing valuable insights about alien worlds.14 Dec 202322 Oct 2023Are aliens real? Here's what we knowExtraterrestrial life could really be out there – here is some of what we know.22 Oct 20236 Jul 2016The toughest spaceship we’ve ever builtFuture missions to Venus need tough new technologies – and an old one. Jesse Emspak reports6 Jul 201617 Nov 2015The barren islands we fight overHere and there, all over the world, there are islands which don’t conclusively belong to anyone. But why do disputes over who owns these tiny rocks in the sea never get resolved?17 Nov 201516 Nov 2015Are aliens hiding behind starlight?Could the light from stars be hiding evidence of extraterrestrial life? A giant “Starshade” could soon reveal answers.16 Nov 2015...
