BS4 may be anywhere between 17 and 40 feet across, and will approach at about twice the distance between the Earth and moon.

NISAR, an upcoming Earth satellite mission by NASA and ISRO, promises to revolutionize how we monitor Earth's surface. Using ...

The Ukiah Latitude Observatory has a rich history, from its role in global scientific research to its ongoing cultural ...

Watch the Earth's tectonic plates grow, shrink, and jostle for position in this new model of the last billion years on the ...

Scientists used changes in the supermassive black hole M87*'s accretion disk to infer its orientation, size and turbulence ...

From January to March, the night sky will host a spectacular parade of planets featuring Venus, Mars, Jupiter, Saturn, Uranus ...

Stargazers, prepare for the parade of planets that will take place over the next few nights in the sky. Here's what you need ...

Stargazers will be treated to a dazzling six-planet "alignment" this January.

Get away from the city lights, after sunset, any clear night. Three bright planets light the sky: In the east, super-dry dust ...