The Hubble Space Telescope has been used to determine the mass of white dwarf star LAWD 37. It is "56 percent the mass of our ...

Researchers in Germany argue that a modified theory of gravity could explain universal expansion, removing dark energy from ...

The Earth will not lose gravity on Aug. 12, 2026.” That plain-language sentence from a NASA spokesperson is the fastest way ...

The theory that gravitons lose energy thru gravitational redshift while traveling against the force of a gravitational field ...

The accelerating expansion of the universe is usually explained by an invisible force known as dark energy. But a new study ...

Dark energy may be the most mysterious substance ever proposed, but many scientists are certain it exists. Why?

A team of researchers recently reported the discovery of AT2024wpp, an extremely energetic event involving a black hole and a massive star locked in a deadly ...

Astronomers have captured the moment a supermassive black hole literally tore apart a super sun (one 30 times larger than our ...

KEY OBSERVATIONS Light from a dead star exploded ten billion years ago, yet it reached Earth not once, but several times, ...

Europa’s buried ocean has made it one of the most exciting places to search for life beyond Earth. However, new calculations suggest its seafloor may be calm, cold, and largely inactive, with little ...