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'The bottom line is, I told you so': JWST observations upend standard model of how galaxies form, new study claims
By Ben Turner published
The James Webb Space Telescope's discovery of unusually bright and massive galaxies soon after the Big Bang has cast doubt on the standard model of galaxy evolution and bolstered a rival theory for how physics may work on large scales, according to a team of astronomers.
What were Carl Sagan's contributions to science? Remembering the 'Cosmos' star on his 90th birthday.
By Jean-Luc Margot published
On what would've been the astronomer's 90th trip around the sun, here's a look at his legacy as a scientist, advocate and communicator.
Witch's head to God's eye: 12 of the spookiest objects in the universe
By Brandon Specktor last updated
A shrieking skull, a cackling witch, a ghostly hand and other cosmic illusions haunt our skies. Which do you think is the spookiest object in the universe?
Black holes from the universe's infancy could reveal invisible matter
By Paul Sutter published
New theoretical research suggests primordial black holes could one day help researchers locate invisible dark matter.
The universe may end in a 'Big Freeze,' holographic model of the universe suggests
By Paul Sutter published
New research suggests holographic dark energy could stop the universe's expansion.
Top-secret X-37B space plane will execute 'never-before-seen maneuvers' on its descent to Earth
By Rory Bathgate published
Although it isn't clear what the X-37B is used for, its new maneuver would help it to evade detection and perform undetected low-passes over Earth.
Why NASA is sending the Europa Clipper to search for aliens near Jupiter
By James Lloyd published
In the coming weeks, NASA's Europa Clipper will take off on a long journey to Jupiter's moon Europa. The icy moon could potentially host alien life — and there's only one way to find out.
How far away is the moon?
By Sarah Wells published
The moon's distance from Earth changes depending on where it is in its elliptical orbit.
Alien civilizations are probably killing themselves from climate change, bleak study suggests
By Sierra Bouchér published
Astrophysicists estimate that any exponentially growing technological civilization has only 1,000 years until its planet will be too hot to support life.
Russian cosmonaut returns to Earth after completing record-breaking 1,111th day in space
By Harry Baker published
60-year-old Oleg Kononenko has safely returned to Earth following a record-breaking year-long stint onboard the International Space Station. His latest trip to space means he has now spent more time in orbit than any other human.
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