Winter solstice 2019
For six months now, the days have grown shorter and the nights have grown longer in the Northern Hemisphere -- but that's about to reverse itself.
planets and moons
Boeing's Starliner won't reach space station on uncrewed test
Boeing's Starliner spacecraft failed to put itself on the correct course during an uncrewed test flight on Friday and will not reach the International Space Station during this mission.
Earth's magnetic north pole heading for Russia
Unlike its geographical poles, Earth's magnetic poles that serve as the foundation of our navigation are actively moving.
Man behind Earth Hour wants you to photograph the Great Barrier Reef
Andy Ridley is shivering in a wet T-shirt on the deck of the Dreamtime after coming up from a dive on the outer edge of Australia's Great Barrier Reef.
Cyclone size of Texas discovered on Jupiter by NASA's Juno mission
NASA's Juno mission spotted a new cyclone the size of Texas during a close flyby of Jupiter in November.
Hubble catches interstellar comet as it flies past the sun
The Hubble Space Telescope had a front row seat to capture the best and closest image to date of interstellar comet 2I/Borisov, a visitor that originated from outside of our solar system. On Sunday, the comet passed within 190 million miles of Earth on its closest approach before continuing on through our solar system.
Water found 1 in. beneath Martian surface could help future astronauts
When the first astronauts land on Mars, they won't be able to take everything they need with them. The logistics and weight of transporting so much material on one spacecraft, along with a crew, defies current technology. While scientists at NASA have discussed missions to deliver materials to the Red Planet ahead of a manned mission, there may be resources on Mars that can be used.
Real-life planets you may have first seen in a 'Star Wars' film
A long time ago in a galaxy far, far away, there was a breathtaking diversity of planets. From the cockpit of the Millennium Falcon, rebel ships and Imperial cruisers, we've seen a colorful variety of them come into view. Harsh deserts baked by twin suns, craggy caverns, lush forests, water worlds, mineral-coated surfaces, inhospitable ice, inhabited moons and even lava worlds have greeted our gaze.
NASA says moon rocket could cost as much as $1.6B per launch
After nearly a decade of funneling money into a project to build a gargantuan rocket that NASA hopes will return astronauts to the moon, the launch vehicle is finally assembled and ready for testing.
NASA mission catches asteroid ejecting material into space
NASA's OSIRIS-REx mission arrived at near-Earth asteroid Bennu a year ago, and the spinning top-shaped space rock has been full of surprises. The latest findings now classify it as an active asteroid with observable events happening on the surface.
