Where is the missing Deepwater Horizon oil?

Researchers trace oil from the 2010 Deepwater Horizon spill to the Gulf of Mexico’s deep floor.

Why are these biologists dressed up as whooping cranes?

In the spirit of Halloween? No. These biologists routinely dress as whooping cranes to care for chicks that will eventually be released into the wild.

Exciting Rosetta space mission inspires a magical short film

A very good 7-minute film, called Ambition. It's not like any film about space exploration you've ever seen. The Rosetta comet mission lies at its heart.

Lifeform of the week: Vampires are real!

You might think twice about walking down that dark alley alone after learning about the nefarious habits of the vampire bat, squid and finch.

A week of solar flares at one giant sunspot

The biggest sunspot on the face of the sun in more than two decades erupted on October 26 with its sixth substantial flare in a week.

Favorite scary weather scenes in horror movies

Are those loud rumbles of thunder - or pelts of hail hitting your roof and knocking on your windows - or a crazed psycho killer on the loose?

Cool composite of Comet Siding Spring near Mars

Hubble image of close passage of Comet Siding Spring near Mars. The comet passed Mars at about a third the distance between Earth and the moon on October 19.

Video: Lightning photobombs a double rainbow

Amazing double rainbow arcs across the sky. Lightning gets in on the act.

The Brocken Spectre

Brocken Spectre at Lough Corrib, a lake in the west of Ireland, by Conor Ledwith Photography.

See it! Photos of October 23 solar eclipse

Favorite photos of the beautiful partial solar eclipse on October 23. 2014. Thank you to all who submitted to EarthSky.org or posted at EarthSky Facebook or G+.