Astronomers have discovered the oldest known "dead" galaxy in recent observations from the James Webb Space Telescope (JWST). This galaxy appears to challenge current models of the early universe.

Astronomers have detected fast-repeating radio bursts from a distant "dead" galaxy that should not contain the energy to produce these types of signals.

When fed with matter, such black holes eject jets of charged particles in two directions at the speed of light. If a jet ...

Astronomers have spotted what they think could be the oldest stars in our entire galaxy. These stars were found within a dense star cluster — called a globular cluster — at the center of the ...

Scientists analysing a meteorite have discovered the oldest material known to exist on Earth ... high-energy particles that travel through our galaxy and penetrate solid matter.