Most normal matter in the universe isn’t found in planets, stars or galaxies –where...
If you look across space with a telescope, you’ll see countless galaxies, most of which host large central black holes, billions of stars and...
Scientists map the largest structures in the universe
clusters of galaxies.
These gigantic structures, which contain hundreds or even thousands of galaxies bound together by gravity, offer important clues about how the universe...
Astronomers discover a surprisingly mature spiral galaxy from the early universe
Astronomers have discovered a beautiful, well-formed spiral galaxy from a time when the universe was still very young—only 1.5 billion years after the Big...
Astronomers discover giant spinning thread of galaxies 140 million light-years away
Astronomers have discovered one of the largest rotating structures ever seen in the universe: a razor-thin line of galaxies inside a massive, spinning cosmic...
Scientists capture the first high-detail “real-time” images of stars exploding
Astronomers have captured the most detailed close-up images ever taken of stars exploding, known as novae.
These pictures were taken within days of the eruptions...
Did asteroids invent gum billions of years ago?
What is “gum”? Most people have probably never considered this question, and might answer something like a chewy material you can put in your...
Do super-Jupiters look like Jupiter? New Webb discovery says the answer is more surprising...
At first glance, giant planets called super-Jupiters might seem like close cousins of Jupiter. Some are even ten times more massive.
For years, astronomers assumed...
New tech could shield space electronics from deadly cosmic radiation
Modern life depends heavily on electronics that can survive in extreme environments.
Satellites that provide TV broadcasts, GPS signals, phone services and internet must operate...
Astronomers find hidden star that solves a major cosmic dust mystery
Only 70 light-years from Earth, a star called Kappa Tucanae A hosts one of astronomy’s strangest mysteries.
Around it swirls dust so scorching—more than 1,000...
Asteroid Bennu holds clues to how life began: Sugars, organics, and stardust
NASA’s OSIRIS-REx mission brought back pristine pieces of the asteroid Bennu in 2023—and these tiny grains are turning out to be a treasure chest...