Meteor that blasted millions of trees in Siberia only 'grazed' Earth, new research says By Mindy Weisberger Scientists have a new explanation for an explosive cosmic event in 1908 that flattened trees for hundreds of miles in a remote Siberian forest.
General Relativity passes the Ratio's Test By Daniel Garisto Using gravitational waves to approximate pi, physicists see no problem with Einstein's theory of general relativity.
An astronomer calculated that Earth's intelligent life is probably 'rare.' Here's what that means. By Rafi Letzter A new paper used an advanced "Bayesian" model to show that the emergence of intelligent life on Earth was probably a lucky break.
Russian military satellite launch spawns space-junk fireball over Australia (video) By Mike Wall Russia launched a military satellite to orbit on Friday (May 22), and the mission generated plenty of drama in the downward direction as well.
New Marsquake study could shatter theories on how Mars was born By Gemma Lavender Tantalizing details about Mars' seismic activity have been revealed for the very first time.
Ready, SETI, go: Is there a race to contact E.T.? By Leonard David Researchers using China's huge new FAST radio telescope are piecing together a technological strategy to carry out a major and sweeping search for extraterrestrial intelligence (SETI).
Colonizing Mars may require humanity to tweak its DNA By Mike Wall Genetic enhancement could allow humanity to push surprisingly far out into the final frontier.
Strange ice formations may have tricked physicists into seeing mysterious particles that weren't there By Rafi Letzter What if one of the strangest, most unsettling findings in particle physics turned out to be an illusion? A new study suggest a simple physical explanation for a mysterious event.
Massive disk galaxy could change our understanding of how galaxies are born By Chelsea Gohd A massive, rotating disk galaxy that first formed just 1.5 billion years after the Big Bang, could upend our understanding of galaxy formation, scientists suggest in a new study.Â
Baby exoplanet spotted growing around distant star (photo) By Mike Wall New imagery pinpoints the spot where a baby planet is forming around the young star AB Aurigae, which lies 520 light-years from Earth.
US seeks to change the rules for mining the moon By Scott Shackelford Several U.S. companies have plans to mine the moon, but how would that work?
Annie Glenn, widow of 1st American astronaut in orbit John Glenn, dies at 100 By Hanneke Weitering Annie Glenn, widow of the late NASA astronaut and U.S. Senator John Glenn — the first American to orbit the Earth — has passed away at the age of 100, NASA announced yesterday.
Space Force launches robotic X-37B space plane on new mystery mission By Amy Thompson The U.S. Space Force's mysterious X-37B space plane successfully launched on its sixth mystery mission from Florida today (May 17).
1st super-fast pulsar found snacking on its companion in far-flung star cluster By Gemma Lavender China's FAST radio telescope has uncovered the first known pulsar in the star cluster Messier 92. The super-fast pulsating object forms one part of an eclipsing binary.
Why a microwave-beam experiment will launch aboard the Air Force’s secretive X-37B space plane By Rafi Letzter There's a microwave power experiment heading to space Saturday (May 16) aboard the Air Force's secretive X-37B spaceplane. Researchers hope it could lead to a new global power source.
Sun-watching spacecraft just might fly through tail of Comet ATLAS in rare encounter By Meghan Bartels
This bacteria can survive on pure hydrogen. Could alien life do the same? By Diane Lincoln Could aliens that breathe helium and hydrogen live on exoplanets throughout the cosmos?
Weird Saturn hexagon covered in 'sandwich-like' layers of haze By Chelsea Gohd There's an extensive system of haze layers in the bizarre hexagon on Saturn, a new study has found.
The sky is full of weird X-shaped galaxies. Here's why. By Brandon Specktor Researchers figured out why this galaxy looks like an enormous X in invisible radio light.
How heavy is the universe? Conflicting answers hint at new physics. By Anil Ananthaswamy Two entirely different ways of "weighing" the cosmos are producing disparate results. The discrepancy could be a sign that physicists will need to revise the standard model of cosmology.
