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

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 ...

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 ...

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.

Now the team at NASA's Goddard ... In astronomy and cosmology, dark matter is hypothetical matter that is undetectable by its emitted radiation, but whose presence can be inferred from ...

By looking at light from distant exploding stars called supernovas, in 1998 astronomers discovered the universe isn’t just expanding – its expansion is speeding up. But what’s behind this acceleration ...

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

Astronomy in Action: This striking image features a relatively rare celestial phenomenon known as a Herbig–Haro object. This ...

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

Dec. 20, 2024 — One of the biggest mysteries in science -- dark energy -- doesn't actually exist, according to researchers looking to solve the riddle of how the Universe is expanding.