Stephen Hawking, physicist and director of Research at the Centre for Theoretical Cosmology within the University of Cambridge, now has a biopic based on his singular life. The movie is less on physicist's contribution in science and more on his love life. In the film, everybody's favorite theoretical physicist could be seen facing a debilitating illness.

NASA scientists said on Friday that the comet that sailed by Mars last month produced thousands of shooting stars per hour and formed a new layer of ionized metals high in the planet's atmosphere.

When Comet C/2013 A1, aka Siding Spring, deposited big amounts of dust and ice on Mars, the atmosphere of Mars was changed.

Earlier it was thought that humming birds can live up to two or three years. Now researchers have discovered their lifespan to be more than 10 years. The scientists made the discovery by placing tiny numbered bands on their legs few years back and tracked them.

Experts have said that human population of just 2,500 people living in New Zealand were responsible for the extinction of moa bird.

The European Space Agency will land the first unmanned spacecraft on a comet next week. The probe was launched in 2004 to study comet 67P/Churyumov-Gerasimenko and work more in exploring the origins of the universe. It's a 1.3 billion euro ($A1.95 billion) project. The work is being carried out since two decades. The landing will be a big moment in space exploration.

A video was posted by NASA's Marshall Space Flight Center this week in which three astronauts are seen playing with floating blobs of water in the International Space Station (ISS). The video was shot from inside the watery blob last summer.

According to the National Aeronautics and Space Administration (NASA), it is going to launch Mars mission capsule, Orion spacecraft, next month. The spacecraft, which could one day carry astronauts to Mars, will be launched from Cape Canaveral in Florida for a test flight.

Scientists in Europe have said that the only way to limit the effect of climate change is to bring down the carbon dioxide emissions from fossil fuels to zero.