Astronomer Gianluca Masi and his Virtual Telescope Project will host a special livestream on Oct. 20 beginning at 1:30 p.m.

The 3I/ATLAS interstellar comet’s size and physical properties are being investigated by astronomers around the world. Viewers can check the 3I/ATLAS positioning through live tracking available online ...

SpaceX's Falcon 9 will launch 29 Starlink satellites into low-Earth orbit. The launch is set to take place around 12:15 p.m., from Central Florida's Cape Canaveral Space Force Station.

Watch the Sept. 21 partial solar eclipse live online with this handy livestream. Coverage begins at 2 p.m. EDT (1800 GMT).