Some of this stuff is known as mysterious dark matter, others are things like dark comets, which as their name suggests, are far more difficult to see from Earth than something like Tsuchinshan-Atlas.

Could time itself actually explain our universe's expansion? Our current cosmological model—known as lambda cold dark matter, ...

Over 40 stars in a galaxy billions of light-years away were photographed, offering a glimpse into an era when the universe ...

Observing the interactions between dark matter and so-called "dark photons" during a period after the Big Bang called the "cosmic dawn" could help shed light on the universe's most mysterious and ...

The Hubble Space Telescope has been used to study NGC 1052-DF2 — a galaxy that is lacking dark matter. Credit: NASA's Goddard Space Flight Center ...

In October 2022, scientists detected the explosive death of a star 2.4 billion light-years away that was brighter than any ever recorded.

NASA's James Webb Space Telescope has captured a unique image that revealed 44 individual stars in a galaxy 6.5 billion light ...

By looking at light from distant exploding stars called supernovas, in 1998 astronomers discovered the universe isn’t just ...

Astronomers used NASA's James Webb Space Telescope to reveal 44 stars in a galaxy so far away, its light dates to when the universe was half its age.

Astronomers used JWST and gravitational lensing to spot 44 individual stars in a galaxy 6.5 billion light-years away.

The Hubble Space Telescope is nearing its 35th anniversary and skywatchers can celebrate the mighty telescope with a ...