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A photo of Mars's surface with a close-up image of tiny egg-like nodules inset
Giant 'spiderwebs' on Mars contain tiny egg-like structures that scientists 'can't quite explain,' NASA rover reveals New photos captured by NASA's Curiosity rover show that Mars' giant, spiderweb-like "boxwork" features are covered in tiny, never-before-seen nodules that bear a striking resemblance to arachnid eggs. And researchers are struggling to explain them.
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A star blowing a purple, wedge-shaped bubble in space
NASA telescope spots first alien 'astrosphere' around a sun-like star: Space photo of the week The first bubble of hot gas seen around another star has been spotted around the "Moth," just 117 light-years away.
A photo of the sun without any sunspots
The sun just experienced its first 'spotless days' in 4 years — but we're not in the clear yet Earlier this week, the number of visible sunspots on our home star fell to zero for the first time in 1,335 days. This normally indicates a period of greatly reduced solar activity, but it's still too soon to relax, experts say.
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Latest about Space

A black hole and a neutron star, both black spheres with one having an orange series of circles around them circle each other against a starry background. The neutron star’s path is shown in blue with larger circles and the black hole’s motion in orange as the two objects orbit each other.

Universe-shaking collision of black hole and neutron star could upend our understanding of monster cosmic mergers

By Brandon Specktor published

The catastrophic collision of a black hole and a neutron star sent ripples across the universe. New analysis of those ripples could upend a major theory about how these extreme pairs form.

Black Holes
A series of stone pillars are seen in the setting sun overlooking a field

Vernal equinox 2026: When is the first day of spring?

By Jamie Carter published

The first day of spring 2026 in the Northern Hemisphere arrives with the equinox on March 20. Here's when and why the seasons change.

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Space

1,300-pound spacecraft will crash to Earth today following intense solar activity, NASA warns

By Patrick Pester published

NASA's Van Allen Probe A is falling to Earth much sooner than expected, though the spacecraft's reentry poses a low risk to humans.

Space Exploration
Photograph of a bright flash of light in the evening sky over Germany

Falling meteorite smashes hole in roof of German house after spectacular 'fireball' explosion over Europe

By Harry Baker published

A German town has been peppered by meteorites after a stunning "fireball" exploded in the skies over central Europe. One extraterrestrial fragment landed in a bedroom after punching a soccer ball-size hole through the building's roof.

Meteoroids
An illustration of a black hole churning spacetime around it

Exotic prime numbers could be hiding inside black holes

By Lyndie Chiou published

A new paper makes the strange case for prime numbers at the heart of physics.

Black Holes
An illustration of a series of brown and blue planets in a dark starry space background

Scientists tracked faint signals from the stars — and may have turned up hundreds of undiscovered planets

By Abha Jain published

A new study shows that stars with low magnetic activity are likely to support exoplanetary systems, making the hunt for these celestial objects less random.

Exoplanets
Two side by side images of a circular nebula, showing a cloud of golden gas surrounded by a blue bubble. The image on the left shows more background stars and a transparent bubble. The image on the right shows more of a yellow and green background with a bluer bubble

'Exposed Cranium' leaks its gory secrets in new James Webb telescope images: Space photo of the week

By Jamie Carter published

NASA's James Webb Space Telescope reveals new infrared images of the brain-shaped "Exposed Cranium" nebula, the final stages of a dying star.

Astronomy
A series of blobs of pink and orange against a black background with a boxout in the top right zooming in on one of the blobs showing a neural network of sorts of purple and orange and pink

Enormous 3D map of the universe shows brilliant 'sea of light' near the cosmic dawn

By Ivan Farkas published

A unique technique allowed astronomers to see the early universe as a "sea of light" and explore the effects of gravity and dark energy on cosmic evolution.

Astronomy

'City killer' asteroid will narrowly miss the moon, James Webb Telescope reveals

By Brandon Specktor last updated

The "city killer" asteroid 2024 YR4 won't hit Earth or the moon when it whizzes by in 2032, the latest James Webb Space Telescope observations confirm.

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Asteroids
Diagram showing how the megamaser was observed via gravitational lensing

'Truly extraordinary': Mega-laser shooting at us from halfway across the universe is the brightest 'cosmic beacon' we've ever seen

By Harry Baker published

Astronomers have discovered the brightest and most distant "megamaser" to date. The cosmic energy beam is shooting toward Earth from 8 billion light-years away and was spotted thanks to a weird space-time trick first predicted by Einstein.

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Astronomy
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