One of Earth's nearest stars may be a dark matter factory By Adam Mann A hunt for hypothetical axions streaming from Betelgeuse turns up empty but helps physicists set constraints on their properties.
Black holes, string theory and more: Q&A with physicist Brian Greene By Mike Wall Space.com caught up with Greene to discuss the importance of science education, why black holes are so interesting and whether a "theory of everything" breakthrough could be on the horizon.
Strange crater suggests ancient Mars may have been frigid with occasional snowmelt By Doris Elin Urrutia Mars' ancient history is interesting to scientists because if the arid planet was once warm and wet, it may have been habitable to life.
Gamma-ray bursts don't get kicked around By Paul Sutter For years, astronomers thought that the objects responsible for short gamma-ray bursts get kicked out of their home galaxies shortly after they're born. But new observations prove otherwise.
Small NASA rocket will study boundary of interstellar space By Elizabeth Howell For a few brief minutes, a suborbital rocket from NASA has an ambitious plan to seek out particles from interstellar space.
NASA's Ingenuity helicopter aced an 'absolutely beautiful flight' on Mars. Here's the video. By Mike Wall NASA's Mars helicopter Ingenuity just made aviation history, and its robotic buddy caught the whole thing on video.
NASA's Mars helicopter Ingenuity takes off on historic 1st powered flight on another world By Mike Wall NASA's Ingenuity helicopter lifted off on the Red Planet early this morning (April 19), performing the first-ever powered flight on a world beyond Earth.
Scientists baked meteorites in an oven to investigate the atmospheres of alien planets By Chelsea Gohd Scientists baked meteorites in an oven and studied the gases they released to investigate the atmospheres of rocky planets.
Watch monster black holes dance in this mesmerizing NASA animation By Samantha Mathewson A stunning new animation from NASA shows the entrancing dance of two monster black holes in orbit around each other.
Can we reflect sunlight to fight climate change? Scientists eye aerosol shield for Earth. By Elizabeth Howell Could we slow down global warming by creating an aerosol reflector to deflect the sun's rays away from Earth? And should we?
Russia joins China's mission to sample an asteroid and study a comet By Andrew Jones China has selected a Russian science payload to fly on an upcoming mission to sample a near-Earth asteroid and later visit a main-belt comet.
How to watch the Mars helicopter Ingenuity's first flight online By Elizabeth Howell The first helicopter is expected to attempt the first-ever flight on Mars on Monday (April 19), with NASA unveiling the results a day later, and you can follow it all online.
As NASA troubleshoots its Mars helicopter, Perseverance rover keeps busy By Elizabeth Howell The Ingenuity helicopter's first flight on Mars has been delayed, but NASA's Red Planet teams are staying busy with the larger Perseverance mission.
NASA's New Horizons Pluto spacecraft is still exploring, 50 AU from the sun By Mike Wall New Horizons is about to reach some very rarefied space, but don't expect the NASA probe to rest on its considerable laurels.
5 twinkling galaxies help us uncover the mystery of the Milky Way's missing matter By Yuanming Wang, Tara Murphy We've all looked up at night and admired the brightly shining stars.
This week in our Space.com forums: SpaceX prizes, first eclipses, and black holes! By Mohamed Mohammed Our latest giveaway kicks off and the community chats about the first time they saw an eclipse. And then, we dive deep into black holes!
5,200 tons of space dust falls on Earth each year, study finds By Daisy Dobrijevic Two decades' worth of Antarctic research reveals 5,200 tons of extraterrestrial dust lands on Earth each year.
How are asteroids, space weather and space debris detected before they hit Earth? By Andrew May, How It Works magazine The European Space Agency’s Space Situational Awareness program is tackling the problem on three fronts.
Supernova deaths of white dwarf stars may explode like a nuclear bomb By Charles Q. Choi When a white dwarf star explodes as a supernova, it may be detonating like a nuclear weapon on Earth, a new study finds.
Five ways artificial intelligence can help space exploration By Deep Bandivadekar, Audrey Berquand Artificial intelligence has been making waves in recent years, enabling us to solve problems faster than traditional computing could ever allow.
