A rare star reveals how the Universe's first stars exploded, helping explain the Milky Way’s outer halo and its unusual chemistry.

This also means that there could be hidden curvatures of space-time or gravitational fields, which could explain a fundamental issue in physics: the hierarchy problem. There are several ongoing ...

A breakthrough in the cosmic caper came in 2023, when a team of researchers led by Anna de Graaff, a Clay Fellow at the Harvard–Smithsonian Center for Astrophysics, used the Webb telescope to analyze ...

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

A new data release more than doubles the number of gravitational-wave candidate events—and reveals unexpected complexities of merging black holes ...

Astronomers may have found an exciting new clue about dark energy—the mysterious force driving the universe’s accelerating expansion. They discovered an extraordinarily bright supernova from more than ...

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 ...

One scientist theorizes that before the early universe expanded, it consisted of a “pre-inflationary multiverse” made of ...

Deep canyons in the Andes are the perfect location to catch the most energetic particles in the universe. Carlos ...

A rare gravitationally lensed supernova could help astronomers determine how fast the universe is expanding and shed light on dark energy. Astronomers may be closer to understanding one of the ...

Using the James Webb Space Telescope, an international team of researchers has discovered chemical fingerprints from enormous ...

The more we discover about the universe, particularly its genesis, the more evidence we have pointing to the need for God.