The moon will slide in front of the red supergiant star Antares on May 13, briefly blocking its light just a day after ...

Leo the Lion, the 12th largest constellation, still regally rules the springtime heavens. It is easy to spot the distinctive ...

T Coronae Borealis, a binary star system about 3,000 light years away, is usually far too dim to see with the naked eye.

The spiral galaxy NGC 3596 is on display in this NASA/ESA Hubble Space Telescope image that incorporates six different ...