Venus, Mercury and the moon!

Two photos of this week's planet and moon spectacular, from a master sky photographer, from one of Earth's most pristine skies.

Parakeet takeover ahead?

"Parakeets are Britain’s fastest growing bird population and are on a trajectory to global domination."

Moon and Mercury after sunset August 4

It won't be easy to catch Mercury near the August 4 young moon. But if your sky is clear all the way to the western horizon after sunset, try it!

Once a day, Io’s atmosphere collapses

Jupiter's moon Io has active volcanos spewing gases into its thin atmosphere. As Io moves in and out of Jupiter's shadow, its atmosphere collapses and then repairs itself.

Will you see moon and Venus August 3?

Try to catch the moon's entry into the evening sky on August 3, 2016. This young moon can help you to locate 5 bright evening planets.

Star lashes companion with mystery ray

Astronomers thought the star AR Scorpii was a lone variable star. Now they realize it's a dwarf star bombarding its companion with relativistic electrons.

California wildfire from space

For 11 days, the Soberanes fire has been burning near the California coast between Monterey and Big Sur. Here are some satellite views.

Time to see the starlit Milky Way

New moon is August 2, 2016. The next few evenings are a wonderful time to go out in the country for an edgewise view into our own galaxy, the Milky Way.

Why no young stars at Milky Way center?

An international team of astronomers finds that that there's a large region around the center of our home galaxy that's devoid of young stars.

Emirates Mars Mission to launch in 2020

The Emirates Mars Mission - which carries the name Hope - will become the first-ever mission to the Red Planet by any Arab country.