Satellites reflect sunlight, Earthshine, infrared and radio waves.

Space astronomy is under threat from ‘megaconstellations’ of satellites, scientists warn - Some satellites will soon have 96% ...

SETI’s ‘Noah’s Ark’ – a space historian explores how the advent of radio astronomy led to the USSR’s search for ...

An international team led by the University of Oxford has identified one of the largest rotating structures ever reported: a ...

In the leading model of cosmology, most of the universe is invisible: a combined 95% is made of dark matter and dark energy.

NASA revealed that scientists discovered sugars that are “essential” to life and a “gum-like” substance on the space rock ...

A new study suggests that a once-daily atmospheric tidal cycle may be a bigger driver of rapid Venusian winds than previously ...

Using the JWST, an international team featuring UNIGE scientists has detected enormous clouds of helium streaming away from ...

The enigmatic Maya calendar synchronizes all visible planets, thus solving an astronomical puzzle that had remained unsolved ...

Quote of the day: Newton’s breakthroughs were not born from instant inspiration but from years of meticulous observation, ...

Researchers say this ancient “space gum,” once soft and flexible but now hardened, may have provided some of the chemical ...

For the first time, astronomers have captured clear, detailed images of two stars explosions just days after their eruption.