We call the source of this expansion dark energy – a mysterious form of energy that permeates the whole universe pushing ...

The Nancy Grace Roman Space Telescope team at NASA has completed the integration of the telescope and its instruments onto ...

Things have been tumultuous lately on Earth. Donald Trump will soon be sworn in as U.S. president, wars are raging, and ...

The rate of expansion of the universe today is a figure known as the Hubble constant, which is typically measured in units of ...

The rate at which the universe is expanding is expressed as a value called the Hubble Constant, generally abbreviated as “H 0 ...

Messier 83 was discovered in 1752, but it wasn't realized that it's actually a galaxy outside the Milky Way until Edwin ...

"The discrepancy between the observed expansion rate of the universe and the predictions of the standard model suggests that ...

Physicists discovered strange supersolids, constructed new kinds of superconductors, and continued to make the case that the ...

Scientists cross-checked data from JWT and Hubble and concluded the mismatch in data could only be explained by a new ...

How the same region of space would look with different dark energy densities. Clockwise from top left: no dark energy, the ...

New analysis supports Einstein's relativity and narrows neutrino mass ranges, hinting at evolving dark energy. Gravity, the ...

New observations from the James Webb Space Telescope back up previous findings from the Hubble telescope that contradict ...