nasa
Cracking a mystery about Vesta, our solar system’s second largest asteroid
How did the troughs form?
Earth’s first puff of oxygen may be thanks to volcanoes
Scientists track down a puzzling early burst of oxygen on Earth.
NASA wants future humans to find this time capsule in space
NASA will use energy from Earth's gravity to launch the Lucy spacecraft in October of this year.
Which countries are going to Mars this decade?
We are likely to see the first humans walk on Mars this decade.
Why so gassy? Mysterious methane detected on Saturn’s moon
Scientists do not know what is causing the overabundance of the gas.
UFOs: US intelligence report finds no aliens but plenty of unidentified flying objects
A new government report describes 144 sightings of unidentified aerial phenomena.
Every 27 minutes, there’s an X-ray aurora on Jupiter. Here’s why.
Jupiter's mysterious auroral events are caused by vibrating waves of plasma.
Astronomers train AI to reveal the true shape of galaxies
A new artificial intelligence method removes the effect of gravity on cosmic images, showing the real shapes of distant galaxies.
Discovery of new type of supernova explains ancient mystery
Astronomers find a third type of supernova and explain a mystery from 1054 AD.
Stephen Hawking’s black hole theory proved right
New study analyzes gravitational waves to confirm the late Stephen Hawking's black hole area theorem.
Protecting space stations from deadly space debris
Tiny specks of space debris can move faster than bullets and cause way more damage. Cleaning it up is imperative.
▸
6 min
—
with
Mystery of the gigantic Oort cloud from deep space explained
Astronomers possibly solve the mystery of how the enormous Oort cloud, with over 100 billion comet-like objects, was formed.
The Mars helicopter’s scary sixth mission
The helicopter's sixth mission almost went down in disaster.
Is the universe infinite?
Determining if the universe is infinite pushes the limits of our knowledge.
Scientists find dark matter “bridges” that may reveal future of our galaxy
A new AI-generated map of dark matter shows previously undiscovered filamentary structures connecting galaxies.
How space debris created the world’s largest garbage dump
Since 1957, the world's space agencies have been polluting the space above us with countless pieces of junk, threatening our technological infrastructure and ability to venture deeper into space.
Humanity’s most distant space probe captures a strange sound
A new paper reveals that the Voyager 1 spacecraft detected a constant hum coming from outside our Solar System.
Icy clouds on ancient Mars may have given rise to lakes and rivers
Scientists have long puzzled over how Mars, a cold and dry planet, was once warm enough to support liquid water.
New galaxy clusters found hiding in plain sight
The research suggests that roughly 1 percent of galaxy clusters look atypical and can be easily misidentified.
Sorry, the EmDrive doesn’t work
The EmDrive turns out to be the "um..." drive after all, as a new study dubs any previous encouraging EmDrive results "false positives."
There’s nowhere left on Earth free of space pollution
When we look at the night sky, we may see junk instead of stars.
Less-advanced alien civilizations may be nearby — but we’re not looking for them
Humans are more likely to have "first contact" with an advanced alien civilization, according to a recent NASA-funded paper.
NASA’s Perseverance records first-ever sounds of rover driving on Mars
Sound waves behave quite differently on Mars than on Earth.
Unknown bacteria found living on the International Space Station
The discovery could help astronauts find better ways to grow food in space.
Scientists grow extremophile microbes on rocks from Mars
The results could help NASA's Perseverance rover find evidence of ancient life on Mars.
Astrophysicists find rare star spinning backwards
A unique star system where exoplanets orbit their star backwards located by researchers.
Astronomers detect signs of “galactic cannibalism”
One galaxy may have eaten one of its slightly smaller, more primitive neighbors.
UAE Hope Probe has transmitted its first image of Mars
The UAE is the first Arab nation to send a spacecraft to the Red Planet.
Could a human enter a black hole to study it?
Get the answer from two physicists who study black holes (albeit from a safe distance).
Video: Here’s what it’s like to orbit the moon in real time
Artist Seán Doran recently created more than eight hours of high-definition video using images captured by Japan's SELENE lunar orbiter.