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

Space junkies who live in the U.K. might want to tune into ITVX's "Space Live" channel which broadcasts views from the ISS 24 ...

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 ...

Astronomers have identified Comet 3I/ATLAS as an interstellar object, making it only the third confirmed visitor from outside our solar system, according to NASA.<br /><br />The comet is travelling on ...

Beginning Monday afternoon, comet Lemmon will pass about 56 million miles from Earth, while comet Swan will soar even closer, at roughly 24 million miles. Both comets are expected to peak in ...

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