Radio observations reveal once hidden structures around the Orion Nebula
Orion is about as familiar as a patch of sky gets. Visible without a telescope, studied by nearly…
Organic molecules can survive violent supernova explosions – fueling star and planet formation
A supernova remnant is supposed to be a rough neighborhood for a newborn star. Shock waves rip through…
A cosmic gateway near Earth may connect us to other distant worlds
The solar system sits inside a vast pocket of hot, thin gas. However, that nearby structure has never…
New study reveals how dark matter formed shortly after the Big Bang
Dark matter may not have needed a calm, cold start to help build the universe. For decades, that…
Interstellar comet 3I/ATLAS may come from a solar system much older than our own
Comet 3I/ATLAS arrived from beyond the Solar System carrying a chemical story unlike anything astronomers had measured before.…
JWST reveals why some distant galaxies suddenly stop forming stars
Distant galaxies that abruptly stopped making stars have puzzled astronomers for years. About 9 billion years ago, during…
XMM-Newton gamma-ray detection shows the Milky Way is bigger than previously thought
The Milky Way’s farthest spiral arms have long been sketched more from motion than measurement. Now three violent…
The universe isn’t as uniform as we thought
Modern cosmology rests on a simple assumption: if we look on large enough scales, matter should be distributed…
New gravitational-wave measurement brings astronomers closer to resolving the Hubble tension
For more than a decade, astronomers have been divided over a deceptively simple question: how fast is the…
12 billion years old interstellar comet 3I/ATLAS may be older than the solar system
3I/ATLAS arrived fast, bright, and strange. When astronomers spotted it on July 1, 2025, they knew almost immediately…
Black hole collision lets scientists probe the event horizon for the first time
Black holes do their most important work in hiding. The boundary that defines them, the event horizon, seals…
NASA discovers the ‘puffiest’ two planets in our universe
A pair of giant planets circling a star more than 1,100 light-years from Earth looks almost too bloated…