Facebook Inc is harnessing satellite, drone and other technology as part of an ambitious and costly effort to beam Internet connectivity to people in underdeveloped parts of the world.
Rediff.com brings for its readers some of the best images of the outer world provided by the US National Aeronautics and Space Administration and leading astronomers.
As members of the Mars Explorer Rover Mission, the four have been witness to the activities of Spirit and Opportunity rovers that landed on Mars.
Night owls and stargazers were presented with a beautiful view on Saturday night, as the first of this season's supermoons filled the night sky.
The next landing opportunity for Discovery, which has seven astronauts onboard, is at 1742 IST at the Edwards Air Force Base, a NASA statement said
Catch up on all the big news of the week gone by, in images.
According to several news reports, at least 15 people had died and many injured. Gunfire echoed round the seaside city after the blast and ambulances raced to the scene.
Rediff.com takes a look at the great moments on Twitter in 2015, from single Tweets that captured our imagination to hashtags that sparked global conversations.
NASA has released the first-ever natural-colour portrait of Saturn, in which the planet, its seven moons and rings, and Earth, Venus and Mars, all are visible.
A National Aeronautics and Space Administration spacecraft has confirmed the presence of abundant 'icy' water along with other frozen volatile materials within 'burning hot' Mercury's permanently shadowed polar craters.
Here's an Indian whose has proved that the sky is not the limit! Dr Amitabha Ghosh was the only Asian to serve on NASA's Mars Pathfinder mission. At present, he is on the Mars Odyssey Mission and the Mars Exploration Rover Mission.
A super massive black hole generated this eruption by growing at a remarkable rate, a NASA press release said.
A Delta II rocket carrying NASA's new Messenger spacecraft took off on Tuesday.
On the morning of February 15, ISRO will hurl into space using the Polar Satellite Launch Vehicle three Indian satellites and 101 small foreign satellites. No other country has ever tried to hit a century in a single mission.
India will boldly go to Venus for the first time and re-visit the Red Planet very soon.
'It is extremely difficult to predict as to how many days it would take...But, as I had said that day, that they would decay in a few weeks, and majority of them have decayed'.
'We need abundant affordable clean energy to help lift out of poverty the remaining part of humanity that is still living in poverty. I don't see any other viable candidate on the scene for doing that except advanced generation nuclear power,' says Dr James Hansen, a stout opponent of energy based on fossil fuels.
Rediff.com brings for its readers some of the best images of the outer world provided by the US National Aeronautics and Space Administration
'In a part of the world where the government tells people what not to eat and what slogans to shout and not shout, it is beneficial to develop a mentality that is science minded and therefore open-minded.' 'That is possibly why the space programme has always had support from all sides of the political divide,' says Aakar Patel.
India, with its demonstrated capabilities of undertaking low cost high value inter-planetary travel, offers great opportunities for NASA to work with.
The dip in the air quality can be attributed to low wind speed and temperatures which allowed accumulation of pollutants.
NASA's Curiosity rover has completed one year on Mars. The car-sized robotic rover successfully landed on Mars on August 6, 2012, and has achieved its main goal of revealing ancient Mars could have supported life.
Record-setting Indian-American National Aeronautics and Space Administration astronaut Sunita Williams along with two other cosmonauts will return to earth on Sunday, after four months in orbit.
Sunita Williams and Japanese space flyer Akihiko Hoshide ventured on Thursday outside the space station at 1229 GMT (1759 IST) and just a little more than five hours later, they had reconfigured some coolant lines and deployed a spare radiator, isolating the leak
American astronaut of Indian origin, Sunita Williams on Thursday charmed the students of Mumbai, who had gathered at the Nehru Science Centre to listen to her experiences in space travel.
Three Chinese astronauts on Thursday entered the country's new space station after their spaceship successfully docked with it, just over seven hours after the launch from the Gobi Desert, in a major milestone for the Communist giant's space exploration plans and its bid to become a leading space power.
For over 10 days now, 3,700 firefighters have been battling the massive wildfire near California's Yosemite National Park. The Rim Fire has scorched 134,000 acres, an area approximately the size of Chicago. The fire continues to grow in size, but firemen claim to have been making progress. As of now, 20 per cent of it has been contained. So huge is the fire that NASA astronaut Karen Nyberg is keeping track of it from outer space. A look at the biggest wildfire on record in California's history, in pictures.
The spacecraft disintegrated in Jupiter's dense atmosphere on Sunday morning.
Indian-American astronaut Sunita Williams set yet another record as she completed a triathlon in space by running, biking and "swimming" along with athletes during the Nautica Malibu Triathlon held in Southern California over the weekend.
National Aeronautics and Space Administration, the national space agency of the United States, on Thursday released a black and white satellite imagery of India this Diwali night, cautioning people against the fake image in circulation on the social media.
Bikkannavar is a US citizen and is working with NASA for 10 years. In addition, he has never visited the countries on the immigration ban.
Indian-American Sunita Williams along with a fellow astronaut on Thursday ventured out of the International Space Station, adding to her record-setting space walking sojourns, to find an ammonia leak in the vital radiator system.
A planet which about 1,200 light-years away from Earth and 40 per cent larger than its size may be habitable, according to US researchers.
Private space entrepreneur and billionaire co-founder of PayPal, Elon Musk is planning to build a small city on Mars for 80,000 space explorers but only vegetarians are invited!
The year 2016 was officially the Earth's warmest since record-keeping began in the 1880s, the World Meteorological Organization announced on Wednesday.
Take this quiz to see how prepared you are to filter the buzz around your bump and whether you can differentiate between fact and old wives' tale, science and superstition.
National Aeronautics and Space Administration scientists claim to have discovered a third radiation belt around the earth, which may lead to a revision of a more than 50-year-old theory about the planet's radiation zones.
