The final milestone in construction was reached on November 25, as technicians carefully joined the giant telescope's inner ...

If not in visible stars and galaxies, the most likely hiding place for the matter is in the dark space between galaxies.

"Precision in these measurements is critical, as even subtle discrepancies could signal deviations from the model — ...

Cosmic dawn galaxies seen by JWST reveal hidden clues about dark matter and keep rival theories about its true nature alive.

The filament of matter stretches 50 million light-years, and contains a row of galaxies 5.5 million light-years long that are ...

Until recently, Type Ia supernovae have been treated by cosmologists as the gold standard of cosmic distance determination: quite uniform “standard candles” whose peak brightness was reliable over all ...

For centuries, Europeans thought that eternal daylight saturated the cosmos. The shift to a dark universe has had a profound ...

SQUIRE aims to detect exotic spin-dependent interactions using quantum sensors deployed in space, where speed and ...

A radical new theory begins with a central claim: consciousness is the fundamental field of reality; time, space, and matter ...

The James Webb Space Telescope has revolutionized astronomy in just two years of operations, but how can it see a galaxy 33.8 billion light-years away in a universe that is only 13.8 billion years old ...

If we could farm in space, astronauts would have fresh, familiar foods. Those plants could recycle air and water. Plus, it feels good to be around plants. Once more people – and maybe even cats – can ...

Dominik Bošnjak is a freelance writer from Croatia. He has been writing about games for as long as he can remember and began doing so professionally circa 2010. If he was forced to pick a favorite ...