For the first time astronomers have captured highly detailed pictures of a dwarf galaxy consuming a smaller companion, a new study says.

The first known fossil of a rare bloodsucker called the bat fly has been found in 20-million-year-old amber, a new study reports.

The shale boom centered in North Dakota lifts U.S. oil production, but the unexpected resurgence won't lessen petroleum's cost.

A pair of Earth-size worlds orbiting a dying star may be the fractured remnants of a single Jupiter-like gas giant, a new study says.

Stripes may do more than help zebras hide in tall grass—the pattern may scramble the vision of bloodsucking horseflies

An ongoing rocky buffet would explain bright x-ray flares seen around our galaxy's supermassive black hole since 1999, astronomers say.

Russian scientists have confirmed that they have breached the subglacial Lake Vostok in Antarctica—a first.

A new relative of the "corpse flower" growing in Madagscar smells like rotting meat and feces, researchers say.

Could 760-million-year-old African "sponges" be humankind's earliest known ancestors?

Oil and wind power companies are testing a novel technology—air bubbles—to shield marine mammals from the sound of their offshore operations.

The tiny South American rodents were bred as pets throughout 16th- and 17th-century Europe, a new study suggests.

Russian scientists at Lake Vostok are "very, very close" to being the first to penetrate an Antarctic subglacial lake, news reports say.

Although Iran’s ability to throw the global economy into chaos has long been recognized, there’s no ready alternative for moving oil out of the Strait of Hormuz.

A planet in a two-star system can chaotically bounce between its stars for thousands of years before being ejected, a new study suggests.

The genetic homeland of Native Americans is a small mountainous region in southern Siberia, a new study suggests.

For mammals, evolving into bigger sizes takes a lot longer than shrinking, new evolution study shows.

A vast iceberg is splitting from Antarctica, thanks to a giant crack in a glacier that's "really important" to sea level rise.

The likely rocky planet orbits squarely in its star's habitable zone, making it a prime candidate for life, astronomers report.

Two tiny satellites add to the planet's swarm of "backward" moons and bring the full Jovian family up to 66 natural satellites.

Bacteria in water-filled Caribbean sinkholes could offer clues to what might live on icy moons such as Europa, scientists say.

Early spring or long winter? "Immortal" rodent Punxsutawney Phil has made his forecast. Get the odd facts behind Groundhog Day 2012.