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an illustration showing the hypothetical Planet 9 with blue rings and a question mark over it, with stars and a galaxy in the background
Planet Nine: Is the search for this elusive world nearly over? Astronomers have been scouring the outer solar system for signs of a hypothetical ninth planet for almost a decade, without success. However, we may finally be on the cusp of finding it, experts say.
Each bright spot in this image, the first all-sky image by eRosita, is black hole or a neutron star.
5 space discoveries that scientists are struggling to explain From "runaway" black holes shooting across the cosmos to secret planets in our own backyard, space is overrun with mysterious objects that scientists are clamoring to explain. Here are five of the strangest sights in the universe, as well as their possible origins.
An illustration of a large, round asteroid having a close encounter with the blue Earth
NASA's most wanted: The 5 most dangerous asteroids to Earth What is the most dangerous asteroid, how probable is an impact, and how much destructive power would a collision with Earth have? Here are 5 big space rocks that NASA is watching closely.

Latest about Space

Full moon shines on Artemis I Space Launch System (SLS) and Orion spacecraft

Artemis Program: NASA's plan to send humans back to the moon

By Adam Mann last updated

Basic information about the Artemis program's Space Launch System and Orion capsule.

The Moon
Side by side images show a splotch of green and blue in a black canvas with a red center, and a red yellow canvas on the right, with dark granules scattered around.

World's 2nd fastest supercomputer runs largest-ever simulation of the universe

By Keith Cooper published

The simulations will be used by astronomers to test the standard model of cosmology.

Space
Three of the best star projectors on a colorful background

Best star projectors 2024: Bring the cosmos indoors

By Tantse Walter last updated

BUYING GUIDE The best star projectors bring the wonders of the cosmos into your home — find the best models here so you're ready for Amazon Prime Day.

BUYING GUIDE
Someone using one of the best telescopes

Best telescopes 2024: Observe galaxies, nebulas and planets

By Jase Parnell-Brookes last updated

The best telescopes offer an unparalleled view of the cosmos, and we've gathered our favorites just in time for Amazon Prime Big Deals Day.

Space
A pair of spacecraft orbiting Earth with the sun in background

Europe launches twin spacecraft to make daily solar eclipses in space. Here's what to know about Proba-3.

By Harry Baker last updated

On Dec. 5, 2024 the European Space Agency's Proba-3 mission sent two spacecraft into orbit around Earth. By aligning the probes, researchers will create 6-hour-long mini eclipses, allowing the sun's atmosphere to be studied like never before.

Space Exploration
An artist's illustration of primordial black holes.

Miniature black holes could be hollowing out planets and zipping through our bodies, new study claims

By Ben Turner published

An artist's illustration of primordial black holes.

Black Holes
Asteroid burning up in the atmosphere above Siberia

'Spectacular' asteroid blazes over Siberia just hours after it was detected

By Pandora Dewan published

Asteroid C0WEPC5 entered Earth's atmosphere at 1:15 a.m. local time on Dec. 4 over northeastern Siberia.

Asteroids
A photo of the sun with three large black shapes forming a smiley face

We are fast approaching the sun's 'battle zone' — and it could be even worse than solar maximum, experts warn

By Harry Baker published

Space weather experts warn that solar activity will persist or even increase after solar maximum has ended and we enter a phase of the solar cycle dubbed the "battle zone."

The Sun
An E-shaped green aurora (circled) in the sky above a forest at night

Extremely rare, black 'anti-auroras' paint luminous 'letter E' above Alaska

By Harry Baker published

A "bizarre" E-shaped aurora was recently photographed dancing in the sky above Alaska. The unusual light show was caused by rare black auroras, a.k.a. anti-auroras, which catapult charged particles from the sun back out of Earth's atmosphere and into space.

The Sun

'Cataclysmic' solar storm hit Earth around 2687 years ago, ancient tree rings reveal

By Daisy Dobrijevic published

If this colossal solar storm hit our technologically advanced world the effects would have been devastating.

Space
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