The Moon waxes across the evening sky from Leo to Scorpius. The five-planet lineup in the dawn is now four. And amateur astronomers plan to be recording as Saturn's hazy moon Titan occult a star about as bright as Titan itself for most of North America.
Capstone, a small pathfinder spacecraft with a big mission, launched today to pave the way for crewed return to the Moon.
The Lunar Reconnaissance Orbiter mission has found the impact site created March 4th. The crater might help reveal the impactor's identity.
The International Dark-Sky Association’s has summarized more than 300 peer-reviewed studies on the effects of artificial light at night in an effort to help dark-sky advocates.
Hubble observations have revealed a stellar-mass compact object — a black hole or possibly a neutron star — wandering our galaxy.
Changes to the design of Starlink satellite spacecraft have made them brighter again, though still dimmer than the original design.
A new source of fast radio bursts raises questions about how much we really know about these mysterious flares.