Until now, scientists have determined the mass of stars, planets, and moons by studying their motion in relation to others nearby, using the gravitational pull between the two as the basis for their calculations.

Switzerland is the best place for older people to live, according to a new report that assesses the social and economic well-being of the older population in 96 countries around the world.

Mangrove forests in New Zealand could play a crucial role in protecting coastal areas from sea level rise caused by climate change.

Radio astronomers are watching a previously dormant black hole wake up in a dramatic display as material falls onto it for the first time in perhaps millions of years.

The success of corals that adapt to survive in the world’s hottest sea could actually contribute to their demise.

A team of scientists, led by Dr Sebastian Hoenig from the University of Southampton, have developed a new way of measuring precise distances to galaxies tens of millions of light years away, using the W. M. Keck Observatory near the summit of Mauna Kea in Hawaii.