Space & Future
The universe’s first matter really was a soup—and scientists can now see it slosh
In the very first moments after the Big Bang, the universe looked nothing like it does today.
Instead of stars, atoms, or even protons, everything...
NASA rover finds 3.5-billion-year-old Martian shoreline in Jezero crater
Scientists exploring Mars have uncovered strong new evidence that the Red Planet once had wave-washed beaches and long-lasting water activity, making it an even...
For the first time, scientists detect molecule critical to life in interstellar space
The chemical is known as thiepine, or 2,5-cyclohexadiene-1-thione (C₆H₆S), a ring-shaped sulfur-bearing hydrocarbon produced in biochemical reactions.
When examining the molecular cloud G+0.693–0.027, a star-forming...
A new cosmic map reveals how dark matter built the universe we live in
Scientists have created the most detailed map yet of dark matter—the mysterious substance that makes up most of the universe and quietly shapes everything...
A hidden dark matter sheet may be steering our cosmic neighborhood
Astronomers may have solved a long-standing mystery about how galaxies near the Milky Way move through space.
New computer simulations suggest that our galaxy is...
Perseverance Rover discovers an ancient Martian beach, complete with waves
When the rover now named Perseverance landed in Jezero crater in early 2021, scientists already knew they had picked an interesting place to scope...
Scientists discover the largest sulfur molecule ever found in space
Astronomers have discovered the largest sulfur-containing molecule ever seen in space, offering new clues about how the chemical ingredients of life may form long...
How baby black holes became giants in the early universe
One of astronomy’s biggest mysteries has long puzzled scientists: how did black holes grow so enormous so quickly after the universe was born?
New research...
A star went dark for 9 months—scientists now know why
Astronomers have discovered a vast cloud filled with vaporized metals and powerful winds orbiting a mysterious object far from its host star.
The finding offers...
How tiny Mars helps set Earth’s ice ages
Mars is only about half the size of Earth and has just one-tenth of our planet’s mass.
Compared with giants like Jupiter, it seems far...
When a black hole ate a super-sized star: Inside the violent “whippet” explosion
Astronomers have witnessed an extraordinary cosmic catastrophe: a black hole tearing apart a massive star and devouring it piece by piece.
The dramatic event, nicknamed...
Why the carbon in your body and the oxygen you breathe came from ancient...
Where did the carbon in our bodies and the oxygen we breathe come from?
Astronomers have been asking this question for decades, and a new...
Deep Space
NASA’s Perseverance rover finds ‘popcorn’ rocks on Mars
NASA's Perseverance rover has discovered some strange, "popcorn"-like rocks on Mars. After months of driving, the rover has arrived at a place called "Bright...
Apollo mission rocks shed light on the moon’s early history
Volcanic rock samples collected during NASA’s Apollo missions bear the isotopic signature of key events in the early evolution of the moon, a new...
What do the Webb Space Telescope images reveal?
NASA set off a frenzy within the astronomy community last week with its much-anticipated release of the first images taken by the James Webb...
Scientists find an unusual star that hints at a new way stars can die
Scientists have found a star unlike any other one recorded—which may change our picture of how stars die.
This unusual star, 13,000 light-years away, has...
Underwater snow on earth sheds light on Jupiter’s moon
Below Europa’s thick icy crust is a massive, global ocean where the snow floats upwards onto inverted ice peaks and submerged ravines.
The bizarre underwater...