Mercury is a little-known, still mysterious world.

Learn how you can see bright Jupiter from Earth, helped by its massive size and banded, reflective cloud tops, in December's ...

Mercury, Saturn, and Venus, though these planets seemed like stars at first. In 1781, a British astronomer identified Uranus as also being a planet and not a star. In the coming decades, astronomers ...

Jupiter reaches a stunning opposition, Mars is brilliant, Saturn and Venus light the evening sky, and Mercury rises before ...

Scientists are trying to figure out how minerals connected to exoplanetary water would look to the James Webb Space Telescope ...

You may need binoculars or a telescope for this one ... After that, the seven-planet parade will begin as Mercury will briefly join the others in the sky for a couple of days, turning this ...

Watch for the Taurid and Leonid meteor showers this weekend. Sky & Telescope reporter Kelly Beatty says we should also keep an eye out for Venus and Mercury in the night sky.