Humans Watched This Supernova Explode Nearly a Millennium Ago. Now You Can See It in High Definition
The new image isn’t just stunning—it may also provide clues about how this star survived its own explosion.
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A Scientist Working on the ‘IceCube’ Neutrino Detector Explains the Nobel Prize–Winning Technology
“Detecting a neutrino is like looking for a needle in a haystack,” says Juan Carlos Díaz Vélez, who breaks down why researchers are looking for the…
Astronomers Confirm Discovery of the Youngest Known Exoplanet Ever
Under 1 million years old, “Elias 2-24b” is now the youngest exoplanet ever observed, and it may force researchers to reevaluate theories about how…
The Galaxy’s Fastest Star Could Reveal the Secrets of a Supermassive Black Hole
S301 passes close to Sagittarius A*—so close that its orbit could reveal how the black hole’s rotation warps the spacetime around it.
Space Agencies Are Trying to Keep Astronauts From Losing Their Sight
A device currently being used to help octogenarians do self-administered eye exams could be part of future space missions to monitor astronauts’ ocu…
The Sharpest Image Ever Taken of the Sun Reveals a Hidden Phenomenon
The photograph, taken in visible light, made it possible to observe for the first time the tiny plasma vortices that had been predicted for more tha…
Here Are the First Images of the Crater Left on the Moon by SpaceX’s Rocket
The Korea Aerospace Research Institute shared images that show the gash on the surface. It’s pretty small.
An Extreme Solar Storm May Be Even More Devastating Than Previously Imagined
Scientists have long assumed that there’s an upper limit to the intensity of the solar winds that reach Earth. New research suggests there’s not—and…
The Search for Another Earth-Like Planet Just Took a Big Step Forward
Astronomers have discovered a rocky exoplanet that has an atmosphere and sits within the habitable zone of a solar system.
A Source of Mysterious Repeating Radio Signals From Space Has Been Identified
Researchers say the discovery could be a “Rosetta stone” for cosmic signals.
The Universe Is Full of ‘Impossible’ Black Holes. Now Scientists Know Why
There are black holes that are too big to be born from the death of a star but aren’t quite supermassive either. There’s finally evidence for where…
NASA’s Curiosity Rover Got Its Drill Stuck on a Rock. Here’s How They Freed It
This is the first time NASA has encountered a situation like this, and it took nearly a week to resolve.
The Pentagon Releases New Trove of Declassified UFO Files
The Defense Department has released a new trove of declassified documents about government UFO sightings.