The edge of the solar system is a blob, 3D map reveals By Brandon Specktor Scientists used solar wind to make the first 3D map of the heliosphere, which protects Earth from deadly cosmic radiation.
Famous Stephen Hawking theory about black holes confirmed By Ben Turner Physicists analyzed data from the first ever gravitational waves detected to prove Hawking's theory, and think that even more could be discovered from studying the ripples in space-time.
Record breaker: Scientists spot earliest known supermassive black hole 'storm' By Mike Wall Scientists have found the earliest known "storm" generated by a supermassive black hole, a discovery that could shed considerable light on the coevolution of galaxies and their central black holes.
Pictures from space! Our image of the day By Space.com Staff Two galaxies colliding 275 million light years away from the sun captured by the Hubble Space Telescope in a new image revealing signs of intense star formation about to happen.
Summer solstice 2021 on Father's Day, the longest of the year, marks Earth's changing seasons By Samantha Mathewson The official start of summer kicks off in the Northern Hemisphere today (June 20) to make Father's Day the longest day of the year.
100,000 star nurseries mapped in first-of-its-kind survey By Ben Turner The researchers say that they want to use the survey to better understand our own place in the universe.
US Postal Service releases 'Sun Science' stamps with NASA imagery By Robert Z. Pearlman USPS released "Sun Science," a collection of 10 colorful stamps celebrating the study of heliophysics using imagery from NASA's Solar Dynamics Observatory.
This week on the Space.com forums: Questioning dark matter, exploring space and a last chance to win! By Mohamed Mohammed The community ponders about the most important questions in space exploration and interrogates dark matter.
Space Chat with Space.com: Exploring black holes By Chelsea Gohd This Friday (June 18), Space Chat will explore black holes.
Dark matter is putting the brakes on our Milky Way galaxy's spin By Daisy Dobrijevic The rotation of the Milky Way bar has slowed by almost a quarter since its formation.
Incredibly powerful megaflares from young stars are common, study shows By Meghan Bartels Young stars can release flares more powerful than our sun's largest on record once a week, according to a massive new analysis of stellar activity.
Mystery solved? Dust cloud caused Betelgeuse star's weird dimming, study finds By Mike Wall Astronomers may have solved the mystery of Betelgeuse's bizarre brightness drop.
Does the moon rotate? By Nola Taylor Redd Yes, the moon rotates on its axis. The moon's rate of rotation nearly matches its orbital period, which keep the same side facing Earth.
Tantalizing Pluto views suggest active surface but won't be seen again for 161 years By Meghan Bartels For a brief moment in time in July 2018, the solar system aligned to show Earth the fully sunlit disk of Pluto, an arrangement that won't occur again for 161 years.
Rocket Lab wins contract to design twin Mars spacecraft for NASA By Mike Wall Rocket Lab has been awarded a contract to design the twin spacecraft for NASA's potential ESCAPADE Mars mission.
NASA asteroid-hunting satellite clears hurdle on path to 2026 launch By Mike Wall NASA has approved the Near-Earth Object Surveyor space telescope to move into "preliminary design," its next phase of development on the road to a planned liftoff in 2026.
Strange 'blinking' star near heart of Milky Way catches scientists' eyes By Meghan Bartels It's always a good sign when astronomers are blunt about the degree to which some observations have puzzled them.
Looking at the stars, or falling by the wayside? How astronomy is failing female scientists By Lisa Kewley It will take until at least 2080 before women make up just one-third of Australia's professional astronomers.
