In popular culture, asteroids play the role of apocalyptic threat, get blamed for wiping out the dinosaurs - and offer an extraterrestrial source for mineral mining.
The Tesla Roadster that was recently shot into space as part of SpaceX's rocket test flight will likely collide with Earth or Venus eventually, according to new University of Toronto research.
Are we alone in the universe? Few questions have captured the public imagination more than this. Yet to date we know of just one sample of life, that which exists here on Earth.
NASA's Mars Exploration Rover Opportunity keeps providing surprises about the Red Planet, most recently with observations of possible "rock stripes."
The sun will rise on NASA's solar-powered Mars rover Opportunity for the 5,000th time on Saturday, sending rays of energy to a golf-cart-size robotic field geologist that continues to provide revelations about the Red Planet.
A Japanese and an American astronaut floated for hours outside the International Space Station Friday on a spacewalk to repair the orbiting outpost's robotic arm and move some equipment into storage.
Spacewalking astronauts wrapped up months of repair work Friday on the International Space Station 's big robot arm.
Today, 16 February, upwards of 20% of the world's population will be celebrating Chinese New Year, also known as the Spring Festival. According to the traditional Chinese calendar, which is based on the lunar cycle and the ...
The growth of the biggest black holes in the Universe is outrunning the rate of formation of stars in the galaxies they inhabit, according to two new studies using data from NASA's Chandra X-ray Observatory and other telescopes ...