Astronomy, Space | featured news

A massive European satellite the size of a school bus that has mysteriously stopped communicating with Earth has been spotted by another satellite in orbit.

An asteroid the size of a passenger jet will zoom close by Earth on Sunday  just in time for April Fools' Day, but it has no chance of hitting the Earth, NASA says.

The Cassini spacecraft captures striking images from flying by three moons of Saturn, including new pictures of Enceladus's gushing geysers.

Astronomers hunting for rocky planets with the right temperature to support life estimate there may be tens of billions of them in our galaxy alone.

A discarded chunk of a Russian rocket is forcing six space station astronauts to seek shelter in escape capsules early Saturday....

The tidy Swiss want to clean up space. Swiss scientists said Wednesday they plan to launch a "janitor satellite" specially designed to get rid of space junk, the orbiting debris that can do serious and costly damage to valuable satellites or even manned space ships.

A glimpse beyond our solar system reveals the neighborhood just outside the sun's influence is different and stranger than expected, scientists reported Tuesday....

A huge sunspot unleashed a blob of charged plasma Thursday that space weather watchers predict will blast past the Earth on Sunday. Satellite operators and power companies are keeping a close eye on the incoming cloud, which could distort the Earth’s magnetic field and disrupt radio communications, especially at higher latitudes.

Firing on all engines, NASA's latest rover to Mars executed a course adjustment Wednesday that put it on track for a landing in August.

The more astronomers look for other worlds, the more they find that it's a crowded and crazy cosmos. They think planets easily outnumber stars in our galaxy and they're even finding them in the strangest of places... "We're finding an exciting potpourri of things we didn't even think could exist," said Harvard University astronomer Lisa Kaltenegger, including planets that mirror "Star Wars" Luke Skywalker's home planet with twin suns and a mini-star system with a dwarf sun and shrunken planets.