Webb traced the light of a dying star, supernova GRB 250314A, from when the universe was only 730 million years old.

Our understanding of the true nature of the cosmos relies on measurements of its expansion, but cosmologists have been ...

The first pulsar was discovered in 1967 by Jocelyn Bell Burnell. Finding these mysterious signals forever changed astronomy.

Yu-Jing Qin, a postdoctoral researcher at California Institute of Technology (Caltech), led a series of spectroscopic ...

Astronomers using the James Webb Space Telescope report that a powerful gamma-ray burst detected in March may have been ...

A supernova has been detected at an unprecedented cosmic distance. The explosion, designated SN in GRB 250314A, occurred when the universe was only about 730 million years old, placing it deep in the ...

One key component might be RNA, a molecular cousin of DNA found in every form of life on Earth, and now scientists say they ...

"A bit like dinosaurs on Earth — they were enormous and primitive. And they had short lives, living for just a quarter of a ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

Virgil is the reddest Little Red Dot discovered so far, and its hidden black hole may offer a clue to the fate of this ...

An interstellar comet racing through the inner solar system is giving scientists a rare chemical snapshot of material formed around another star, with early findings showing an unexpectedly low water ...

TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for ...