Explore astronomy, from the latest trip to the International Space Station to alien planets outside our solar system.
Astronaut also advocates a return to the moon, traveling to Mars.
Planet may even sparkle like a disco ball when light shines on it.
On March 25, NASA's Swift orbital telescope captured a surge of X-rays from deep space, disgorged by what was clearly an immensely powerful source.
Rocket malfunction could mean that the orbiting lab may soon need to operate with a three-astronaut skeleton crew.
Astronaut argues that landing and exploring the Moon would provide practice for future exploration of the solar system, particularly Mars.
The Hubble replacement could still be scrapped from the NASA project list next year pending Congressional approval of the agency's budget.
Despite the loss of the spacecraft, the International Space Station has enough supplies to last through March 2012.
The spacecraft will also explore the Kuiper belt after gathering information on Pluto and its moons.
The composition of Martian soil may be 'comparable' to what is found in soil on Earth.
The robot is a joint project between NASA and General Motors to develop technology to assist humans both in space and on Earth.
Researchers admit that contact with extraterrestrials is unlikely.
Earth's oldest fossils offer convincing evidence that cells and bacteria were able to thrive in an oxygen-free world more than 3.4 billion years ago.
SpaceX's Elon Musk predicts that a vegan diet would be likely on Mars due to the 'energy and space needed to raise farm animals.'
A new study suggests extraterrestrial beings might consider humanity a threat to other planets, based on how we treat our own.
The advance means astronomers will be able to offer earlier warning of magnetic disruptions that can cut power and interrupt communications.
Eco-entrepreneur on politics, energy and Earth's resources.
Russell blogs about the day's top science and eco-news.