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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

2014 warmest year on record

NASA, NOAA, and Japan Meteorological Agency all report 2014 as Earth's warmest year since modern-day record-keeping began in 1880.

Matt Daniel

January 17, 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

See comparative sizes of ocean giants

This image shows the body size for 25 marine species, including whales, sharks, squids, and other ocean giants. Check out the little human swimmer in each row!

Editors of EarthSky

January 15, 2015