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Friday night’s rare triple shadow transit of Jupiter

Three moon shadows at once on Jupiter Friday night! It won't happen again for U.S. observers until the year 2032. You can also watch online.

Deborah Byrd

January 22, 2015

Venus vortex!

This ghostly puff of smoke is actually a huge mass of swirling gas and cloud at planet Venus’ south pole, as seen by ESA’s Venus Express spacecraft.

Editors of EarthSky

January 21, 2015

Ceres’ mysterious white spot seen in new Dawn image

Dawn spacecraft now closing in on dwarf planet Ceres. Image is for navigation purposes; next one due late January. And what is that white spot, anyway?

Deborah Byrd

January 19, 2015

Video: Fly through the largest picture ever taken

Fly-through video of the largest image ever taken, of the Andromeda galaxy, nearest spiral galaxy to our Milky Way. Prepare to feel small!

Deborah Byrd

January 19, 2015

Video: Superstar Eta Carinae

Eta Carinae is a double system containing the most luminous and massive star within 10,000 light-years.

Editors of EarthSky

January 19, 2015

NASA’s sounds are now on SoundCloud

It's very cool. Hear the sounds of space exploration history!

Eleanor Imster

January 19, 2015

Cosmic radio burst caught in the act

Astronomers announced this week that - for the first time - they have observed a so-called 'fast radio burst' in real time.

Deborah Byrd

January 19, 2015

Found! Mars orbiter locates lost 2003 Beagle lander

The Beagle 2 Lander, built by the U.K., and thought lost on Mars since 2003, has now been found in images from NASA's Mars Reconnaissance Orbiter.

Editors of EarthSky

January 16, 2015

Two planets beyond Pluto?

New calculations by astronomers in Spain and the UK suggest that not one, but two unknown planets might exist in our solar system, beyond Pluto's orbit.

Eleanor Imster

Deborah Byrd

January 15, 2015