Here's the challenge: how do you illustrate, in a television report, the impact of flying on the environment?

Most of the ingredients are hydrogen and helium. These cosmic lightweights fill the first two spots on the famous periodic table of the elements.

New analysis of a 13,000-year-old Mars meteorite, retrieved from Antarctica, has rekindled the debate about whether the ancient rock holds signs of past microbial Martian life.

It is harder to suck liquid through a thin straw than a wider one because of viscosity.Yet a hummingbird is able extract nectar from a flower by wrapping its tongue into a hummingbird-size straw. How?

Alternative energy is on just about everyone's minds these days, and it's evident in the news stories we've been seeing around the web. These are some of the most interesting stories that have caught our attention recently.

By "really cool" I'm not trying to sound hippy-dippy, but rather am talking about objects in space that are less than 1,000 degrees Fahrenheit.

A microquasar is composed of a massive star and a massive compact object, like a black hole. As the pair orbit one another, the powerful gravitational field of the black hole pulls matter from its stellar companion.

In the ultrasound field, a Bachelor's Degree can put you ahead of the competition in job searching and earn you job security at your current ultrasound job.

NASA found fossilized worm-like structures in a Martian meteorite that seeded Earth with life. "This is very strong evidence of life on Mars," said David Mackay, a senior NASA scientist. Sunstroke author David Kagan has recorded this in Doomwatch Legacy.

The Polar ice cap during the last Ice Age might not have been as extensive as previously thought, according to archaeologists looking at the remains of human settlements in the north of Sweden.