Drought in parts of the United States 2012

The Deep South is experiencing the least amount of rainfall, which is typical in a La Niña pattern. Will the drought conditions persist or end this summer?

If a volcano blows, would we hear it?

Many volcanoes around the world lack effective monitoring programs. A new study suggests that volcano monitoring programs could be improved.

Biggest crocodile that ever lived

A biggest crocodile large enough to swallow humans lived in East Africa between two and four million years ago, say researchers.

Orbiting spacecraft shows Mars’ surprising shifting sands

An orbiting spacecraft shows sand dunes on Mars shift and move at about the same rate as earthly dunes. Yet Mars atmosphere is thin, and its winds are weak.

Vast ball of stars in a globular cluster

In this image shows a vast ball of stars in globular cluster Messier 55, tens of thousands of stars are crowded together like a swarm of bees.

James Webb Space Telescope gets its first instrument

The James Webb Space Telescope, aka Hubble 2.0, now has its first instrument. The instrument took 10 years and 200 scientists to build.

Snack choices of fourth- and fifth-grade students

A study by a University of Oklahoma researcher and a colleague locks at the snack choices a child makes choosing healthy or unhealthy snacks.

Hubble to use moon as mirror to watch Venus transit

The Hubble telescope will use the moon as a mirror to observe the transit of Venus on June 5-6, 2012.

Dogs – Man’s best friend – may conquer man’s most feared illnesses

It could be that dogs, man’s best friend, might one day be man’s best healer because they can provide a variety of medical benefits to people.

Earth-like planets not likely in systems with hot Jupiters

Earth-like planets are not likely to be found in systems that have a what's called a "hot Jupiter," according to new research.