Hidden in the Sun’s glare, this asteroid is uncomfortably close to Earth
In the distant past, the Solar System was rife with impacts and collisions.
Millions of rocky objects zoomed chaotically through the system, smashing into each...
Milky Way’s bright heart might be shining with dark matter energy
Astronomers have found new evidence that mysterious dark matter may be responsible for the unusual glow of high-energy gamma rays coming from the center...
Astronomers uncover the secret behind white dwarfs’ fiery comeback
White dwarfs—the dense, fading cores left behind after stars like our sun die—are usually calm, cool, and ancient.
Over billions of years, they stop producing...
A greedy black hole eats through two giant cosmic spirals
Astronomers have discovered that a supermassive black hole at the heart of the Circinus galaxy is feeding through two enormous spiral arms of gas.
This...
Volcanoes may have hidden ancient ice beneath Mars’s equator
Scientists have long known that Mars holds plenty of ice, but most of it is thought to be near the planet’s poles.
So when spacecraft...
Starship could cut the travel time to Uranus in half
The ice giants remain some of the most interesting places to explore in the solar system.
Uranus in particular has drawn a lot of interest...
Water in your coffee might be older than the Sun, study finds
Astronomers have made a stunning discovery that reveals just how ancient some of the water in our universe really is.
Using the powerful Atacama Large...
Astronomers spot a black hole shredding a star far from any galactic center
In a groundbreaking discovery, astronomers have detected powerful radio signals from a black hole tearing apart a star—and surprisingly, it didn’t happen in the...
Frozen in time: Why Martian ice may hide ancient signs of life
Could ancient microbes still be hiding on Mars—preserved for millions of years in ice? A new NASA and Penn State study suggests it’s possible.
Researchers...
Unexpected chemical discovery on Titan could rewrite the rules of life’s origins
Scientists from Chalmers University of Technology in Sweden and NASA have made a surprising discovery on Saturn’s largest moon, Titan, that challenges one of...