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

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

If you look across space with a telescope, you'll see countless galaxies, most of which host large central black holes, ...

NASA has successfully completed the construction of theNancy Grace Roman Space Telescope, a next-generation observatory set ...

Space is packed with all sorts of weird and unexpected stuff, but this humongous, spinning string-thing raises a whole new ...

NASA's Nancy Grace Roman Space Telescope is now fully assembled and ready to begin launch preparations this summer.

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

Scientists have many big questions to tackle about the universe, including how big it actually is. But even the proposed ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

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 ...