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

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

Dark matter, an enigmatic and invisible substance that constitutes approximately 85% of the mass in the universe, remains one ...

Dark matter does pervade the solar system like an invisible fog. We just lack the means to measure its effects on solar ...

A self-correcting atom interferometer amplifies signals, aiding detection of ultra-weak forces from dark matter, dark energy, ...

“The assumption that dark matter and regular matter originated in the same event, the Big Bang, is natural, given its ...

The universe’s light-starved early epochs, as well as the first stars and galaxies, lie beyond the reach of conventional ...

Sometimes in astronomy, a simple question has a difficult answer. One such question is this: what is the mass of our galaxy?

Assuming dark matter exists, its interactions with ordinary matter are so subtle that even the most sensitive instruments ...

The findings suggest that astronomers’ widely accepted cosmology models might be missing something—meaning the longstanding mystery known as the “Hubble tension” continues ...

Dark matter, which makes up 80 percent of all matter in the universe, may have formed in the very short time before the big ...

The James Webb Space Telescope has confirmed the universe's expansion rate, suggesting unknown cosmic factors drive its ...