Space & Future
Giant dying stars create tiny cosmic dust that could form new planets
A new study shows that some of the largest and most powerful stars in the universe are producing incredibly tiny particles of carbon dust—material...
New method may finally resolve the “Hubble tension” puzzle
Scientists have known for nearly a century that the universe is expanding, with galaxies moving away from each other over time.
The speed of this...
Can Martian soil kill Earth microbes? Water bears reveal surprising clues
Scientists are using one of Earth’s toughest microscopic creatures to explore an important question for future space travel: Could the soil on Mars naturally...
6 million years ago something slammed into modern-day Brazil
Giant impacts on Earth's surface can be cataclysmic events with far-reaching consequences. They can excavate massive craters like the Vredefort Crater.
There's also growing evidence...
Early Mars was warm and wet not icy
A recent study showed that Mars was warm and wet billions of years ago.
The finding contrasts with another theory that this era was mainly...
Moon once had a magnetic field stronger than Earth’s—But only for brief moments
For decades, scientists have debated whether the Moon once had a powerful magnetic field like Earth’s or only a weak one.
Now, a new study...
One of the biggest stars in the universe might be getting ready to explode
One of the largest known stars in the universe underwent a dramatic transformation in 2014, new research shows, and may be preparing to explode.
A...
Stunning new image reveals hidden gas “rivers” at the heart of the Milky Way
Astronomers have captured the most detailed view ever of the center of our Milky Way galaxy, revealing a tangled web of cold gas filaments...
How giant galaxies could form just 1.4 billion years after the Big Bang
When the venerable Hubble Space Telescope made its Deep Fields studies of the early Universe, it discovered something that would puzzle astronomers to this...
Scientists discover Earth-like auroras on Jupiter’s giant moon
Scientists have discovered that the colorful light shows seen above Earth’s poles also occur on Ganymede, Jupiter’s largest moon—and they behave in strikingly similar...
NASA spots a young sun blowing a giant bubble in space
Astronomers have captured the first clear image of a giant “bubble” surrounding a young star that closely resembles what our own sun looked like...
Jupiter’s icy moons may have been born with the ingredients for life
Scientists have found new evidence that Jupiter’s largest moons may have received the chemical building blocks of life at the moment they formed.
The discovery...
Deep Space
Scientists capture rare fast radio burst from faraway galaxy
Fast radio bursts (FRBs) are among the most enigmatic and powerful events in the cosmos.
Around 80 of these events--intensely bright millisecond-long bursts of radio...
Scientists find new way to grow medicines during long term space flights
An instrument currently aboard the International Space Station could grow E. coli bacteria in space, opening a new path to bio-manufacturing drugs during long...
Lasers could send missions to Mars in only 45 days
NASA and China plan to mount crewed missions to Mars in the next decade.
While this represents a tremendous leap in terms of space exploration,...
Scientists recreate the harsh conditions inside gigantic galaxy clusters
Galaxies rarely live alone.
Instead, dozens to thousands are drawn together by gravity, forming vast clusters that are the largest objects in the universe.
“Galaxy clusters...
How ancient stars created super-heavy elements
In a remarkable discovery, scientists have found that ancient stars were not just twinkling lights in the night sky but incredible factories that produced...