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

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 ...

Galanti and his colleagues had previously found evidence of axion-like particles in light from distant blazars – extremely active galaxies that blaze with light. But the brightest gamma-ray explosion ...

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.

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 ...

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