The head of Russia's space agency is to step down after seven years in the job, a deputy Prime Minister announced on Wednesday, after a string of problems and launch delays angered top officials.

For the first time, Earth has a regular orbiting eye-in-the-sky spying on the solar system's smallest and strangest Planet, Mercury.

Nasa astronaut Scott Kelly and two Russian cosmonauts have landed safely in the snowy expanses of central Kazakhstan after spending five months on the international space station.

The massive earthquake that struck Japan last Friday was so powerful that it accelerated the Earth’s rotation speed, shortening the length of the day by 1.8 microseconds, a new analysis by Nasa has claimed.

Cape Canaveral, Florida: The US space shuttle Discovery was approaching the International Space Station on Saturday as part of its final odyssey into orbit, carrying to researchers a new module and a

Washington: The space shuttle Discovery is scheduled to begin its final flight to the International Space Station Feb 24. It will carry a human-like robot to the permanent station, NASA said.

The Dis

Nasa must study the topic of sex in space, experts have suggested.

According to them, the US space agency has always been silent on the subject of sex in space — how would it work? Or can a child be conceived in zero gravity?

Nasa said Thursday it had again postponed the launch of the space shuttle Discovery, already pushed back to February, to an undetermined date to allow more time for repairs.

"The decision was made on Friday to allow the teams additional time and delay the next launch opportunity out of the early February launch window," the space agency said in a statement on its website.

Nasa's long-running Voyager 1 spacecraft is barreling its way toward the edge of the solar system.

A Russian cosmonaut and two Nasa astronauts came safely back to Earth from the International Space Station in a Soyuz capsule Friday, Russian Mission Control said.