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Exotic 'Einstein ring' suggests that mysterious dark matter interacts with itself
By Sharmila Kuthunur published
The unexplained mass of a remarkably massive galaxy suggests that dark matter interacts with itself, according to new observations by the James Webb Space Telescope.
Monster black hole seen feeding on nearby matter just 1 billion years after Big Bang (photos)
By Robert Lea published
The robotic telescopes of the Virtual Telescope Project have observed a quasar powered by a supermassive black hole 3 billion times as massive as the sun at the very edge of the universe
Dark energy could be getting weaker, suggesting the universe will end in a 'Big Crunch'
By Robert Lea published
The first year of Dark Energy Spectroscopic Instrument (DESI) data seems to show that dark energy is weakening over time, possibly the biggest cosmological discovery for 25 years.
Iconic British meteorite 'Winchcombe' found to have a smashing past
By Keith Cooper published
A detailed analysis of the Winchcombe meteorite has found evidence that its parent asteroid was altered by water before being smashed apart multiple times.
Venus is leaking carbon and oxygen, a fleeting visit by BepiColombo reveals
By Sharmila Kuthunur published
BepiColombo spotted an outpour of carbon and oxygen atoms in Venus' fragile magnetic environment
These 3 stars are losing weight fast — thanks to stellar winds way stronger than the sun's
By Robert Lea published
"Our estimated mass-loss rates can be used as a benchmark for stellar wind models and expand our limited observational evidence for the winds of sun-like stars."
Do black holes hide the secrets of their ancestors?
By Robert Lea published
Some black holes are so massive they were likely created as smaller black holes that merged. Maybe we can use such black hole "children" to learn about the black hole "ancestors."
This little robot can hop in zero-gravity to explore asteroids
By Samantha Mathewson published
A three-legged robot named SpaceHopper could help combat challenges of exploring low-gravity environments, such as asteroids or moons.
Tiny black holes left over from the Big Bang may be prime dark matter suspects
By Robert Lea published
Don't rule out primordial black holes as dark matter suspects just yet! Particle-sized black holes may resist evaporation, surviving long enough to account for the universe's most mysterious stuff.
SpaceX's giant Starship will be 500 feet tall for Mars missions, Elon Musk says (video)
By Elizabeth Howell published
Just weeks after Starship first reached orbital speed during a spaceflight in March, SpaceX founder Elon Musk outlined what the company wants to do with future spacecraft for Mars missions.
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