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

Every so often, Jupiter's strong gravity sends an asteroid hurtling through the solar system, sometimes towards Earth. Last ...

Saturn will put on a show for professional and backyard astromers alike, and be the brightest and closest it has been to ...

Hubble Space Telescope images of Jupiter have been "photo-mapped onto a sphere," and animated into a full rotation, according ...