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YOU WONT BELIEVE: Robert lea | Mind Blowing Facts

Supermassive black holes 'too big' for the early universe may not be so massive after all

Over massive supermassive black holes too big for early galaxies and detected by the James Webb Space Telescope may not be quite so massive after all.

Space

'Dark stars' could be the seeds of supermassive black holes, scientists say

A mysterious hum of gravitational waves that fills the cosmos may be the echo of long-dead "dark stars" that served as the seeds of the first supermassive black holes.

Space

'Stellar death is not the end': James Webb Space Telescope glimpses the fate of the solar system in a weird exoplanet orbiting a dead star

"It's like using a time machine to peer into the distant future of our solar system."

Space

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The biggest black hole breakthroughs of 2025

2025 was another big year for black holes, and here's our pick of the top black hole stories from the last twelve months.

Space

LIGO Legacy: 10 incredible gravitational wave breakthroughs to celebrate observatory's landmark 2015 find

The first-ever detection of gravitational waves was made 10 years ago today (Sept. 14). In celebration, Space.com takes you through the most significant gravitational wave discoveries to date.

Space

Did 'primordial' black holes born right after the Big Bang help our universe's 1st stars form?

New research suggests that primordial black holes could have played an important role in the formation of the universe's first stars, but did they help or hinder?

Space

Cosmic rays gave the Fantastic Four their incredible powers — but what do they really do?

It's 1961, and four intrepid cosmic explorers journey to space under the leadership of Reed Richards, where they encounter cosmic rays that change them forever. But what are cosmic rays?

Space

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NASA's Roman Space Telescope could discover 100,000 new cosmic explosions: 'We're definitely expecting the unexpected'

Supernovas, kilonovas, gamma-ray bursts... oh my! The Nancy Grace Roman Space Telescope will uncover 100,000 of these explosions and many more powerful and violent cosmic events.

Space

A doomed exoplanet is caught in a 'death spiral' around its star. Can it survive?

A massive doomed exoplanet on a death spiral toward its parent star has three possible catastrophic fates.

Space

JWST finds cosmic monster ruling tiny early galaxy: Was it forged by black holes from the Big Bang?

The discovery of a monster-sized black hole in a pristine galaxy unspoiled by stellar death suggests growth via mergers between primordial black holes formed during the Big Bang.

Space

Astronomers thought a mysterious radio burst came from deep space. It was actually a dead NASA satellite

A mysterious and powerful blast of radio waves detected last year, suspected to originate far beyond the Milky Way came from a long-dead NASA spacecraft in Earth's orbit.

Space

A spinning universe could crack the mysteries of dark energy and our place in the multiverse

The universe seems to be spinning, and that could explain what dark energy is and why it's weakening while revealing our place within the multiverse.

Space

Tiny ‘primordial’ black holes created in the Big Bang may have rapidly grown to supermassive sizes

Supermassive black holes that seem too large to exist in the early universe may have grown from primordial black holes formed in the first second after the Big Bang.

Space

Black holes could work as natural particle colliders to hunt for dark matter, scientists say

Supermassive black holes could act as natural particle accelerators, helping humanity investigate dark matter.

Space

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Space

Hubble helps explore the wreckage of a supernova star explosion in a satellite galaxy of the Milky Way (image)

Using the Hubble Space Telescope and an array of other instruments, astronomers have probed supernova wreckage in the Large Magellanic Cloud, the galaxy next door.

Space

Scientists discover super-Earth exoplanets are more common in the universe than we thought

Super-Earths can exist in wider orbits around their parent stars than was previously believed, suggesting these Earth-like exoplanets could be more common than we thought.

Space

Scientists discover bizarre double-star system with exoplanet on a sideways orbit (video)

Astronomers have discovered the weirdest planetary system ever seen, consisting of a planet rolling around rare binary "failed star" brown dwarfs at a 90-degree tilted angle!

Space

A 'cosmic car radio' could help scientists tune in to dark matter within the next 15 years

Scientists have developed a cosmic car radio that could tune into the frequency of axions, a prime dark matter suspect.

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Space

Some dark matter haloes could roll through the universe like hollow cosmic Easter Eggs

The universe could be packed with dark matter haloes that have no galaxy fillings.

Space

Black holes as batteries: Could humanity ever harness the energy of these cosmic titans?

Black holes power some of the most energetic phenomena in the known universe, but could they ever power an advanced human civilisation?

Space

Unknown physics may help dark energy act as 'antigravity' throughout the universe

Dark energy may have a completely unknown aspect of physics acting as an accomplice in its efforts to defy gravity, suppressing the growth of large-scale structures like galaxy superclusters.

Space

Black holes may obey the laws of physics after all, new theory suggests

A new recipe for black holes could do away with central singularities, saving the laws of physics from troubling infinities.

Space

These mysterious objects born in violent clashes between young star systems aren't stars or planets

Mysterious planetary mass objects that wander the cosmos alone could be created when young star systems clash. They aren't planets or stars, but are in a cosmic class of their own.

Space

'Dark matter is more valuable than gold': Wobbly galaxies help shine a light on the universe's strangest stuff

Scientists have used the wobble of the Milky Way and what are known as "cosmic lighthouses" to shine a light on the mystery of dark matter.

Space

James Webb Space Telescope joins cosmic detectives in hunt for dark matter

The James Webb Space Telescope has joined the hunt for dark matter, aiding cosmic detectives in searching for signals indicating axion decay.

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