Phobos: Doomed Moon of Mars
This moon is doomed. Mars, the red planet named for the Roman god of war, has two tiny […]
Astronomy
Recycling NGC 5291
Following an ancient galaxy-galaxy collision 200 million light-years from Earth, debris from a gas-rich galaxy, NGC 5291, was […]
Leonids and Friends
Leonid meteors rained down on planet Earth this week, the annual shower of dusty debris from the orbit […]
Centaurus A
What’s the closest active galaxy to planet Earth? That would be Centaurus A, only 11 million light-years distant. […]
A Sudden Jet on Comet 67P
There she blows! A dramatic demonstration of how short-lived some comet jets can be was documented in late […]
The Pelican Nebula in Gas Dust and Stars
The Pelican Nebula is slowly being transformed. IC 5070, the official designation, is divided from the larger North […]
A Blazing Fireball between the Orion Nebula and Rigel
What’s happening to that meteor? A few days ago, a bright fireball was photographed from the Alps mountain […]
Leonids Over Monument Valley
There was a shower over Monument Valley — but not water. Meteors. The featured image — actually a […]
Wright Mons on Pluto
Long shadows are cast by a low Sun across this rugged looking terrain. Captured by New Horizons, the […]
The Tadpoles of IC 410
This telescopic close-up shows off the otherwise faint emission nebula IC 410. It also features two remarkable inhabitants […]