Asteroid larger than Empire State Building to pass Earth on Monday
The asteroid, named 488453 (1994 XD), is due to pass the Earth at a speed of around 48,000 mph.
The asteroid that shadows the Earth
A new asteroid has been discovered orbiting the Earth, interacting only weakly with the planet in a way that classifies the object as a "quasi-moon".
Four plane-sized asteroids approaching Earth this weekend
Three of the asteroids are due to fly by our home planet at distances of around 4 million miles, while one will approach nearly as close as the moon.
New images of the sun capture "unprecedented detail"
High-definition images of sunspots on the sun's surface show the dark spots dotted with tiny pinpricks of light called umbral dots.
Huge sunspot four times the size of Earth visible without a telescope
The sunspot, named AR3310, is so large that viewers don't need magnification to see it.
Arctic Circle hit by radio blackout
A plume of solar protons spat out by the sun has accelerated towards the Earth, and were funneled down into the polar regions by our magnetic field.
Earth set for annual Halley's comet meteor shower
The Eta Aquariid meteor shower is due to peak on May 6 as the Earth passed through the particles left behind by Halley's comet centuries ago.
Asteroid about to pass as close to Earth as the moon
The asteroid, which is called 2023 HV5, will fly past the Earth on Wednesday at around 10 times the speed of a bullet being fired.
Why the northern lights are visible over U.S.
The northern lights were spotted as far south as California due to a severe G4 geomagnetic storm pummeling Earth's atmosphere and magnetic field.
Mercury appears with spectacular comet-like tail in night sky
Mercury also has a tail that streams out behind it as it gets close to the sun, but is only visible with a special filter that shows the glow of sodium.
Why a hybrid solar eclipse is so rare
The solar eclipse will appear as an annular eclipse for portions of the moon shadow's journey, and a total eclipse at others, due to the curvature of the Earth.
Could a rogue planet destroy the Earth?
Rogue planets that float freely through space without a star to orbit are very difficult for astronomers to detect.
Freezing cold cryovolcano erupts from comet
The eruption from Comet 29P/Schwassmann-Wachmann was unique, as scientists had predicted it based on the comet's brightness.
Video shows 200-foot asteroid approaching Earth before "very close" flyby
The time-lapse video shows the asteroid, known as 2023 DZ2, zooming through space at a speed of more than 17,400 miles per hour over 1 million miles from Earth.
Everything we know about asteroid Bennu being delivered to Earth
Samples collected from the asteroid could hold clues on the creation of the solar system.
Watch live as 200-ft. asteroid zooms past Earth at 17K mph in "close" flyby
A livestream will show the asteroid flying by Earth at slightly less than half the average distance between our planet and the moon.
Massive plasma tornado seen on surface of the sun
Solar tornadoes can have wind speeds of up to around 310,000 miles per hour, as opposed to the 300 mph top speed of tornadoes on Earth.
Watch live as asteroid passes Earth in "very close" approach
The asteroid, known as 2023 EY, was only discovered two days ago by a telescope at the Sutherland Observing Station in South Africa.
Bizarre butterfly-shaped solar flare emerges from the sun
The coronal mass ejection exploded out from the far side of the sun, appearing in the shape of butterfly wings, so won't hit the Earth.
Full Worm Moon March 2023—When is it and why is it called Lenten?
A livestream will show the full moon rising above the legendary skyline of Rome, Italy, and its famous monuments
The sun is getting fired up—and it's way beyond what experts predicted
Solar Cycle 25 is defying expectations it would be as inactive as the previous cycle, as sunspot numbers are already reaching Solar Cycle 24's maximum levels.
Massive solar storm slamming into Earth sparks aurora around the world
The spectacular red lights in the sky were caused by a G3 geomagnetic storm interacting with Earth's atmosphere.
Green comet set for "cosmic meeting" with Mars in sky this week—Watch live
Comet C/2022 E3 (ZTF), which has already been observed with the naked eye, is zooming away from Earth, perhaps never to return.
Green comet in pictures and videos
Astrophotographers across the world have posted spectacular images of the rare green comet ZTF as it passed close to Earth on February 1.
How, when and where to see the green comet before it disappears from sky
The green comet ZTF has passed its closest point to Earth but will still be visible for the next few weeks as it heads out of the solar system.
Green comet may have come from mysterious cloud at edge of the solar system
The comet will reach its minimum distance from our planet on February 1.
"Extraordinary" video shows asteroid passing "extremely" close to Earth
asteroid 2023 BU made one of the closest approaches to Earth on record Thursday, zooming past our planet just over 2,000 miles above the surface.
Watch final hurrah of green comet before it vanishes for good
The comet C/2022 E3 (ZTF) is set to make a close approach to Earth on February 1, 2023, when it will come within roughly 26 million miles of our planet.
When, where and how to see the green comet right now?
It may already be possible to see comet C/2022 E3 (ZTF) with the naked eye from very dark locations.
No, a huge asteroid isn't going to hit Earth tomorrow
An asteroid known as 2023 BU will make a very close approach to our planet though.