In line with its plan to conduct more research on the Moon's surface ahead of a human return, NASA has issued a call for science instruments and technology payloads that will fly on commercial lunar landers as early as next year or 2020.

NASA's Chandra X-Ray Observatory, observing the universe in high-energy light since 1999, is back in action after suffering a glitch due to the failure of the gyroscope and going into safe mode last week.

In the wake of a booster failure that forced a Russian Soyuz spacecraft to make an emergency landing last week, astronauts aboard the International Space Station (ISS) were worried whether their space launch would be cancelled.

US biologists have grown human retina tissue in the laboratory to determine how cells that allow people to see in colour are made, an advance that can lead to the development of therapies for diseases such as colour blindness and macular degeneration.

Barely a week after NASA's Hubble Space Telescope entered safe mode, its Chandra mission has also suffered a glitch possibly due to the failure of the gyroscope, the US space agency said.

Elon Musk-founded private spaceflight company SpaceX on Sunday successfully landed the first stage of its Falcon 9 rocket on land after delivering an Argentinian earth-observation satellite from the Vandenberg Air Force Base in California.

The UN Intergovernmental Panel on Climate Change (IPCC) on Monday said the planet will reach the crucial threshold of 1.5 degrees Celsius above pre-industrial levels by 2030, precipitating the risk of extreme drought, wildfires, floods and food shortages for hundreds of millions of people.

The first human spaceflight aboard a SpaceX rocket to the International Space Station (ISS) is expected to take place in June 2019, while a flight on a Boeing spacecraft is set to follow in August 2019, NASA said.

A Michigan man unknowingly used a rock as his doorsteps for over a decade; it has been found that the rock is meteorite with a current worth of $1,00,000. According to the Smithsonian Museum and Central Michigan University, the rock is also sixth largest meteorite found in Michigan.

NASA on Saturday announced date for first man mission by a SpaceX rocket to International Space Station. The flight is expected to take off in June 2019.