Watch As a Supernova Morphs and Its Speedy Shock Waves Reverse By Elizabeth Howell A new video from NASA shows how a supernova explosion morphs and changes during a 13-year period, including unusually fast-moving shock waves.
'Cosmic Mudball Meteorite' Smells Like Brussels Sprouts, Finds New Home at Museum By Mindy Weisberger A new meteorite addition to the Field Museum's collection resembles a malodorous mud brick, but it holds important clues about the origins of life on Earth.
UK's 1st Moon Rover to Launch in 2021 By Mike Wall The United Kingdom is set to make its own giant leap soon, with a very small rover.
Pyramid-Size Asteroid to Hurtle Past Earth (Again) By Mindy Weisberger A fast-moving visitor is approaching our cosmic neighborhood. Dubbed 2019 SX5, this near-Earth object is about the size of the Great Pyramid of Giza.
A Second Interstellar Visitor Has Arrived in Our Solar System. This Time, Astronomers Think They Know Where It Came From By Rafi Letzter When 'Oumuamua passed through our solar system in 2017, no one could figure out where the object came from. But astronomers think they've worked out how Comet 2I/Borisov got here.
Top Space Stories of the Week! By Doris Elin Urrutia These are the top space stories this week from Space.com.
Virgin Orbit Could Launch Polish Cubesat Mission to Mars in 2022 By Mike Wall Polish scientists are developing a first-of-its-kind cubesat mission to Mars that could launch as early as 2022.
India's Chandrayaan-2 Orbiter at the Moon Is Now Tracking Solar Flares By Meghan Bartels An Indian spacecraft may be orbiting the moon, but it's also gathering valuable data about other key players in our solar system.
A Cosmic Mystery: Why is the Milky Way Galaxy Getting Gassier? By Chelsea Gohd Using 10 years of data from NASA's Hubble Space Telescope, the team of astronomers concluded that there is more gas coming into our galaxy than leaving it.
A Churning 'Molten Blob' of Planet May Be Easier to Find. Here's Why. By Meghan Bartels The smaller a planet, the more difficult it is to spot — which is frustrating for scientists hoping to find Earth-like worlds.
NASA Launches Long-Delayed ICON Space Weather Satellite to Study Earth's Ionosphere By Amy Thompson NASA's long-awaited ICON mission has finally taken off after years of delays.
Solar System Planets: Order of the 8 (or 9) Planets By Robert Roy Britt There used to be nine planets. Now there are eight, or maybe there are nine after all. Whichever you prefer, here is a list of them in the order they appear in the solar system.
Supermagnetic Stars May Form from Mergers By Charles Q. Choi The most magnetic stars may have their origins in merging stars, a new study finds.
Earth's Magnetic Poles Can Flip Much More Often Than Anyone Thought By Yasemin Saplakoglu Earth's magnetic field flipped 26 times every million years during the Cambrian period, the highest frequency ever documented.
Falling Fireballs Crashed in Chile Last Week. They Weren't Meteorites, Experts Say. By Nicoletta Lanese Chilean officials are investigating a curious collection of burning objects that fell onto parts of the country last week.
NASA Tests Mars 2020 Rover's Sky Crane Landing Tech By Samantha Mathewson NASA's Mars 2020 rover mission has reached another milestone with a successful separation test of the descent stage that will deliver the six-wheeled robot to the surface of the Red Planet.
NASA Slammed a Rocket Body Into the Moon for Science 10 Years Ago Today By Mike Wall Ten years ago today (Oct. 9), NASA slammed a hunk of space junk into the moon, forever changing our perception of Earth's nearest neighbor.
Physicists Search Universe for Evidence That a Fundamental Force of Nature Is Out of Whack By Paul Sutter Physicists are scouring the universe for evidence that one of the fundamental constants of nature, Newton's gravity, is not constant at all.
