Solar system
One of the Largest Asteroids of 2022 Set To Zip Past the Earth This Month
If the upper estimate of the asteroid's size is true, the space rock would be almost double the height of the Empire State Building or nearly the same height as the Burj Khalifa in Dubai.
Photo Shows Potentially Hazardous Asteroid Before It Passes Close to Earth
The asteroid is thought to measure about 656 feet across, which would make it taller than the Space Needle in Seattle.
Spinning Top-Shaped Potentially Hazardous Asteroid Ryugu May Be Dead Comet
The mystery surrounding the origins of the asteroid Ryugu may have been solved with a model that explains its weird shape, loose rubble pile structure, and abundance of organic molecules.
Meteorite-Hunting Drones Could Uncover Solar System's Mysteries
Scientists have used a powerful drone and AI to find a meteor on Earth in a technique that could help experts understand what our region of space was like billions of years ago.
Ukraine Sets up 'Send Putin to Jupiter' Fundraiser to Help Rebuild Country
The tongue-in-cheek appeal by the Ukrainian government asks for $2.99 donations, which will actually be spent on repairs to infrastructure damaged by Russian bombs.
Six Amazing Facts About Neptune and Its Moons
At the edge of the solar system is a fascinating world of ice and violent 1,000mph winds, Neptune. Here are six incredible facts about Neptune.
Craters Only Ever Seen on Other Planets and Moons Discovered in Wyoming
The area, which scientists have named the Wyoming Crater Field, is in a triangular area between the cities of Laramie, Douglas and Casper.
When To See February's Full Moon and Why It's Called a Snow Moon
This month's full moon has many alternative names, with some coming from animals and others reflecting harsh winter conditions.
'Very Exciting' 300-Year-Old Baby Asteroids Are Youngest Pair Ever Found
Explaining how young asteroids 2019 PR2 and 2019 QR6 are, astronomer Petr Fatka said 300 years is like "this morning—not even yesterday—in astronomical timescales."
Saturn Has Its Own Northern Lights—Scientists Finally Know How They Happen
As well as explaining how light shows illuminate Saturn's skies, recent findings solve the decades-long mystery of why the length of the planet's day changed.
What We Know About Huge Trojan Asteroids Following Earth As New One Found
The 0.75-mile-wide Trojan asteroid is only the second to be discovered in Earth's path around the sun—and is more than three times the size of the first one identified.
Image Shows Asteroid That Could Be 4000ft Wide Heading Towards Earth
The asteroid, classed as "potentially hazardous" by NASA, poses no danger to Earth but is going to pass unusually close to our planet next month.
Sun Probe Passes Through Comet's Tail as Space Rock Leaves Solar System
Leonard caused excitement when it zoomed past Earth last month, and a NASA/ESA spacecraft has studied its trail of debris.
What To Know About SpaceX Rocket That Is Going To Smash Into the Moon
The Falcon 9 rocket stage, which has spent almost seven years in space, is expected to hit the moon at around 5,700 mph in March.
When to Catch This Month's Full Moon, Known As the Wolf Moon
The full Wolf Moon will appear in a matter of days as the first full moon of the year—and yes, its name refers to the behavior of wolves.
How Fast NASA's James Webb Space Telescope Is Traveling, Where It's Going
Webb is the largest and most powerful space observatory ever built, promising to revolutionize our understanding of the universe.
How To Watch the Quadrantid Meteor Shower Peak
The Quadrantids have the potential to be one of the strongest showers of the year, but the period of maximum activity is very short, lasting only six hours.
Asteroid Twice The Size of The Empire State Building Passes Earth Next Week
Asteroid 496860 (1999 XL136) will rocket past our home world at a speed 30 times faster than a jet fighter during the first week of 2022.
'Christmas Comet' Leonard Shines Brighter Ahead of Leaving Our Solar System
Spotting Comet Leonard is likely to be a once-in-a-lifetime chance that is rapidly running out for astronomers and stargazers.
Where Comet Leonard Is Right Now and How To See It Tonight
Skywatchers have a few days left to spot Comet Leonard, the brightest comet of 2021, before it passes the sun and possibly heads out of the solar system never to return.
How to Watch Winter Solstice 2021 From Stonehenge Live Online
People have been celebrating solstices at the famous prehistoric site in southwestern England for thousands of years.
When To See December's Full Moon, and Why It's Called the Cold Moon
The full moon is December is also referred to as the Frost Moon and the Moon before Yule.
Incredible Mars Discoveries Made in 2021, From Water to Lava
The past 12 months have been a bumper period for missions like NASA's Perseverance Rover, with evidence of water discovered beneath the Martian surface.
How To See the Geminid Meteor Shower Before It Ends for Another Year
Skywatchers still have a few days to catch the Geminids before they return in December 2022.
Three Huge Asteroids To Pass Earth in Last Days of 2021
The largest of the asteroids could stand as tall as San Francisco's Golden Gate Bridge if they were placed side by side.
Scientists Are Puzzled by Planet 9, the Potential Missing Planet
A source of speculation since the 19th Century, a new study may reignite the debate about a planet that could be lurking at the edge of our Solar System.
What to Know About Asteroids Dimorphos, Didymos That NASA Will Smash Into
In a test of Earth's defenses against asteroids, NASA's DART spacecraft will hit the binary asteroid system in 2022.
Astronomers Find Sub-Neptune Planet That May Have Liquid Water
The exoplanet orbits its dwarf star in 35 days and has a very cold surface temperature, but astronomers believe it could still host life in its clouds.
Leonid Meteor Shower to Coincide With Partial Lunar Eclipse This Week
The Leonids are characterized by fast bright meteors, many of which have persistent trains—trails of vaporized material that glow in the sky.
Weird Exoplanets Made of Rocks Unlike Anything Found in the Solar System
By studying 23 white dwarfs within 650 light-years of our sun, researchers have found materials absent from the solar system.