Ancient Peruvian culture predating Nazcas used desert lines to guide people to solstice festivities

The Paracas immediately preceded another culture called the Nazca, which is famous for making massive line drawings in the Peruvian desert.

U.S. Northeast already hit by climate change, says major report

New U.S. government report on climate change - first in five years - due out May 6. It outlines ongoing effects of a warming climate in the U.S. Northeast.

Maybe I’m not even here, and other crazy beautiful stuff physics told me

In her short animated documentary - called Why Do I Study Physics? - Xiangjun Shi finds beauty in both the orderly world of physics and the chaos of real life.

Magma rising inside Mount St. Helens, but no eruption expected

There has been uplift and minor earthquake activity on Mount St. Helens, an active volcano in Washington state, but there are no signs that it is about to erupt.

Bright daytime meteor seen over Canada and U.S. Northeast

People in the U.S. Northeast and Canada began reporting a bright daytime meteor on the afternoon of May 4, 2014. Photos and some dashcam videos here.

Bloated dead whale might explode in Newfoundland town

A bloated carcass of a blue whale that washed ashore near the town's boardwalk could explode at any time, residents fear.

A single drop of seawater, magnified 25 times

Ever wonder what's in seawater? This photograph shows a drop of seawater, magnified 25 times.

Incredible video shows April 30 landslide in Baltimore devouring cars

This video shows happened in Baltimore's busy Charles Village neighborhood Wednesday, when a retaining wall buckled and sent cars and mud tumbling onto railroad tracks below.

Mammatus clouds

These mammatus clouds hung over Fayetteville, Arkansas on Monday (April 28) just before sunset. Photo by Mike Price.

See Uranus from Saturn

Looking beyond the rings of Saturn, Uranus is that tiny blue dot in the upper left in this first ever image of the planet, taken by NASA's Cassini spacecraft.