Ghost peppers: So hot it’s spooky

In 2007, the ghost pepper was determined to be the hottest naturally-occurring pepper on Earth.

October ends streak of above average temperatures for U.S.

Although October was below average in temperatures across the contiguous United States, the year 2012 still ranks as the warmest year ever recorded since 1895.

When Alaska’s Cleveland Volcano puffs out ash

Scientists keep an eye on this volcano, which can be hazardous to aircraft. When it releases ash, its "aviation code color" may be raised from yellow to orange.

Lightning flashes leaked to space resemble atmospheric heartbeart

A global electromagnetic resonance created by the combined lightning storms across our planet.

Light earthquake in eastern Kentucky felt from Cincinnati to Atlanta

The 4.3-magnitude quake had a shallow epicenter under the Appalachian Mountains town of Blackey. No immediate reports of injuries or damages.

Oddly shaped deep sea carnivorous sponge found off coast of California

Ocean scientists have collected another example of an unusual deep sea carnivorous sponge, shaped like a harp, off the coast of northern California.

Baby turtles don’t just go with the flow

With just a few hours of paddling a day, tiny loggerhead hatchlings navigate powerful currents, using the Earth's magnetic field to orient themselves.

Future warming likely to be on high side of climate projections, analysis finds

Climate models that project a greater rise in global temperature are likely to prove more accurate than those showing a lesser rise, scientists say.

Nor’easter about to hit the US Northeast

Another storm is hitting the same areas that were affected by Hurricane Sandy. More power outages are expected as strong winds impact the Northeast.

Strong 7.4-magnitude earthquake strikes Pacific coast of Guatemala

The November 7, 2012 earthquake in Guatemala was felt as far away as Mexico City and El Salvador. No tsunami warning is in effect at this time.