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

PicII-503, a primordial star located in the >10-billion-year-old ultrafaint dwarf galaxy Pictor II, appears to preserve the ...

Between May 2023 and January 2024, a global network of gravitational-wave detectors picked up 128 new cosmic signals, more ...

Stellar streams are trails of stars that astronomers can study to solve mysteries about the history of our Milky Way galaxy ...

There’s something called the I Love Lucy Radius,” explains author and astrophysicist Emma Chapman, referencing the ...

By reading the chemical “fingerprints” of a distant galaxy, astronomers reconstructed its 12-billion-year evolution. This new ...

One of the most fundamental and curious mysteries in the universe is the fact that anything exists at all. That is because ...

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

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

Ancient star PicII-503 discovered in distant dwarf galaxy Star has extremely low iron, revealing early cosmic chemistry ...

Delivering a lecture at the New Year "Kōsho Hajime" ceremony. Each year at the Imperial Palace in Japan, leading scholars are ...

Astronomy professor Sean Kelly’s deep-rooted love for the universe was so ingrained that he carried it with him while ...