Sun fires "solar storm train" at Earth—three direct hits for weekend
Five coronal mass ejections have been released from the sun in a short period of time, three of which are due to hit the Earth and cause geomagnetic storms.
China's military satellites are watching America's every move
A senior Space Force official said China launched 400 satellites into space over the last two years, challenging the U.S. monopoly on long-range targeting.
Astronomers spot ghostly hand reaching for the stars
The strange object, named CG 4, is a cometary globule about 1,300 light-years away from Earth in the Gum Nebula.
Radio blackouts as "hyperactive" sun fires off fourth X-flare
Sunspot AR3663 released an X4.5-class solar flare on May 6, after a series of three other X-clas solar flares in the days prior.
NASA video shows what would happen if you fell into a black hole
"If you have the choice, you want to fall into a supermassive black hole," NASA astrophysicist Jeremy Schnittman said.
Watch Live: Boeing to launch NASA astronauts into space for first time
The first crewed test flight for Boeing's Starliner is scheduled to launch just after 10:30 p.m. Monday ET.
Scientists may have solved mystery of Venus' lost water
Venus is thought to have once had a lot of water, though how the water escaped from its atmosphere has puzzled scientists.
Cosmic light show via Halley's Comet to fill skies this weekend
The annual Eta Aquarid meteor shower is due to peak this weekend, caused by the Earth passing through the debris trail of the famous Halley's Comet.
Ancient Mars "surprisingly" like earth, NASA rover reveals
Manganese was found in an ancient Mars lakebed, suggesting that the environment could have been highly useful to lifeforms.
US unveils new "vital" space shield
Military news outlet said tests of new weapon represents "a significant milestone" for U.S. Space Force.
NASA Mars imagery captures auroras covering planet
The light shows can be seen across the entirety of Mars, due to our neighboring planet's lack of magnetic field.
Scientists find "exciting" rare exoplanet in habitable zone of twin stars
"This planet is remarkable in many aspects," astrophysicist Nora Eisner said. "It's remarkable in its orbit, it's remarkable for being in the habitable zone."
Scientists reveal the weird way astronauts could stay fit on the moon
Astronauts could exercise during lunar missions by running around the walls of a cylinder, like a motorbike around a "Wall of Death."
Planet where it's sunny every day spotted 280 light-years away
The gas giant exoplanet WASP-43 b has a powerful 5,000 mph blowing around its equator, due to its close orbit with its star.
"Planet Nine" hypothesis gets new boost
"I think it is very unlikely that P9 does not exist. There are currently no other explanations for the effects that we see," researcher Michael Brown said.
Nightmarish "spider" phenomenon revealed in photos of Mars
The "spiders" are actually caused by frozen CO₂ melting into gas and bursting out from below the frozen surface of the Red Planet.
Russia spooks US with space nukes pivot
"The United States assesses that Russia is developing a new satellite carrying a nuclear device," said National Security Advisor Jake Sullivan.
NASA discovers glassy lava lake on Jupiter's moon
NASA's Juno mission has gathered data from Jupiter's third-largest moon Io, revealing details of a lake of lava on its surface.
"Shocking": NASA and Russian satellite crash closer than scientists thought
"Had the two satellites collided, we would have seen significant debris generation," NASA Deputy Administrator Pam Melroy said.
Massive mystery explosion detected near galaxy's heart
"We suspected something very interesting was happening, but the data exceeded all our expectations," astrophysicist Barbara Catinella said.
Pink Moon will be visible during Lyrid Meteor Shower peak
This month's full moon is also called the Breaking Ice Moon, Budding Moon, Awakening Moon and Egg Moon.
Oxford physicist wants your help on 'really exciting' interstellar visitors
"We've got a neighborhood that we live in, our neighbors occasionally come and visit," Professor Chris Lintott told Newsweek of objects floating in our galaxy.
The Implications of a Space Democracy
The reality is that much of the rising space economy remains enigmatic — even utopian.
Venus is leaking carbon and oxygen—and scientists don't know why
"This is the first time that positively charged carbon ions have been observed escaping from Venus' atmosphere," researcher Lina Hadid said.
Space "sat-nav" maps routes between worlds
"Our new technique neatly reveals all possible routes a spacecraft could take from A to B," researcher Danny Owen said.
Life's building blocks may have come from space
New evidence suggests the organic chemicals and biomolecules that led to life were brought to Earth by extraterrestrial bodies.
Alien life may not be the color we know it
Research from Cornell University might have brought us one step closer to detecting extraterrestrial life.
Once-in-a-lifetime "devil comet" to be brightest this weekend
12P/Pons-Brooks will be at its closest point to the sun on April 21, and may even be visible to the naked eye.
Baltimore bridge collapse aftermath revealed in satellite image
Images taken from space on April 14 by satellites show the destruction three weeks after the bridge collapsed.
How to watch Lyrids meteor shower light up the night sky this weekend
"The best time to see these is after midnight on a moonless night, with as little light pollution as possible," said astronomer Don Pollacco.