Magnetic fields that stretch across thousands of light-years should take a very long time to organize. Standard dynamo theory ...

The first time I heard about galaxies without dark matter, I was sitting in my very first graduate class at the University of São Paulo. A team had found a small, strange galaxy that appeared to ...

Astronomers discover PicII‑503, a 14-billion-year-old star carrying primordial elements, challenging theories of early star ...

The Hubble Space Telescope celebrates 36 years of incredible discoveries, stunning imagery, and a lasting impact on astronomy.

Still in its original galaxy, a rare holdout from the second generation of stars sheds new light on the origins of the elements—and how massive supernovae reshaped the cosmos ...

Explore the 25 Most Massive Objects in the Universe, from supermassive black holes to galaxy walls. Uncover the cosmic giants shaping our cosmos. Discover ...

Like tiny photobombers, cosmic anomalies resembling small, bright red points show up in almost every snapshot taken by the ...

A thick layer of haze around the ultra-low-density planet Kepler-51d likely obscures not only the strange planet's ...

UNIGE Professor Michele Maggiore has been appointed spokesperson for the future European gravitational-wave observatory. Michele Maggiore will represent the entire collaboration, after having ...

Earlier estimates of its age were around 7 billion years, but a new study suggests it’s much older.

Astronomers have detected strange "wobbles" in the light curve of a super bright supernova, hinting that a magnetar was born inside the extreme stellar explosion.