Bright star Betelgeuse might be harboring a deep, dark secret By Adam Mann A new model suggests that the star Betelgeuse committed an act of cannibalism.
Australia's Deadly Wildfires in Photos: The View from Space By Christine Lunsford Australia's deadly wildfires have killed at least 28 people since they began in September 2019 and continued into January 2020. Here's the view from space by NASA satellites.
2 potentially habitable 'Super-Earths' and a record-setting 'Cold Neptune' found in exoplanet haul By Mike Wall Astronomers have found two more potentially life-supporting alien planets in our neck of the cosmic woods, as well as a weird and record-setting 'cold Neptune.'
Astronauts spot smoke from growing Australian wildfires from space By Elizabeth Howell As the deadly Australian wildfires spread smoke around the world, astronauts in space are closely watching the burns advance.
Huge eruption of Philippines volcano seen from space By Stephanie Pappas Taal volcano in the Philippines rumbled to life on Jan. 12, sending steam and sulfur skyward. Satellites have captured images of the eruption.
Top-secret UFO files could 'gravely damage' US national security if released, Navy says By Brandon Specktor The US Navy confirmed they have secret, classified documents regarding a 2004 UFO encounter, but releasing them could 'gravely damage' national security.
Why string theory persists — despite the knotty physics By Paul Sutter String theory is a powerful idea, unfinished and untested, but one that has persisted for decades despite inauspicious beginnings.
First new sunspots in 40 days herald coming solar cycle By Tom Metcalfe Two new sunspots have ended a long period of relative quiet on the surface of our blazing host star, heralding the start of a new 11-year cycle of sunspot activity.
Jupiter may not have caused our solar system's 'Great Divide' after all By Mike Wall One of our solar system's fundamental boundaries may have existed since the very beginning, a new study reports.
This newly discovered asteroid is the second-closest natural object to the sun By Laura Geggel Excluding Mercury, this newly discovered asteroid has the smallest known aphelion distance in our entire solar system.
Earthquakes in Puerto Rico have changed the landscape. Satellites can see it from space. By Mike Wall The swarm of earthquakes that have rocked Puerto Rico recently left marks that are visible from space.
7 billion-year-old stardust is oldest material found on Earth By Mindy Weisberger Scientists recently identified the oldest material on Earth: stardust that's 7 billion years old, tucked away in a massive, rocky meteorite that struck our planet half a century ago.
An Earth-size planet in the habitable zone? New NASA discovery is one special world. By Meghan Bartels When scientists search for alien planets, they get a special thrill when they find one that seems to reflect our own world back to us.
A Mars sample-return mission is coming. Scientists want the public to know what to expect. By Mike Wall The first pristine pieces of Mars won't be coming down to Earth for at least another decade, but the time to start preparing society for the epic arrival is now, scientists say.
The problems with modern physics By Paul Sutter Physicists have certainly achieved a lot, but many mysteries about the universe remain.
Two new satellites will launch this year to track Earth's rising oceans By Nola Taylor Redd A new satellite will provide more detailed information about rising sea levels and other changes in Earth's oceans. Meet Sentinel-6/Jason-CS.
Solar storms might be causing gray whales to get lost By Kimberly Hickok Strandings of healthy gray whales increase with the prevalence of solar storms.
Our galaxy has thousands of alien stars that didn't come from the Milky Way By Rafi Letzter Where did these stars come from?
