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% ...

Light from the half a million satellites that humanity is planning to launch into Earth's orbit in the coming years could ...

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

Every week, Space.com delivers the latest discoveries, launches, and cosmic curiosities from across the universe. From ...

Using the James Webb Space Telescope, astronomers have detected unexpected high-energy ultraviolet radiation around five ...

CONFIDENCE IN HAPPENING YESTERDAY. NEW MEXICO STATE UNIVERSITY ASTRONOMER RECENTLY SAW SOMETHING UNUSUAL DURING HIS RESEARCH OF SPACE, AND IT COULD HELP US UNDERSTAND HOW PLANETS FORM. VLADIMIR LYRA ...

Ten years ago, scientists heard the universe rumble for the first time. That first discovery of gravitational waves proved a key prediction from Albert Einstein's theory of general relativity and ...

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

Deep within a swirling disk of gas and dust around the star HD 135344B, a young planet appears to be sculpting intricate spiral arms around its stellar host. It is the first time a planet has been ...

Long before starlight filled the cosmos for the first time, the young universe may have been simmering, according to a new study. The findings suggest that about 800 million years after the Big Bang, ...

In the July 2003 issue of Astronomy, Bob Berman describes some of the space age’s failures, from the tragic loss of the shuttles Columbia and Challenger to the nearly catastrophic Apollo 13 mission.