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% ...

Fleets of satellites interfere with snapshots taken by Earth-bound observatories. But a new study suggests these orbiters ...

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 ...

Planned megaconstellations would contaminate the view of the cosmos of four orbiting telescopes Many of the images taken by ...

This year marks 30 years of SOHO observing our sun, an extraordinary milestone for a mission originally expected to last only ...

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, ...

The discovery potentially transforms what we think about how the cosmic environment influences galaxies as they form.