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NASA Mission Control said from Houston that the antenna wound up in a position 180 degrees farther than anticipated.

Record-setting spacewalk ends with antenna in wrong spot

The trouble arose toward the end of the more than 8-hour spacewalk.

3 Feb 2018 2:11 PM IST

The 810 square miles (2,100 square kilometres) of mapping done vastly expands the area that was intensively occupied by the Maya, whose culture flourished between roughly 1,000 BC and 900 AD.

Scientists find massive Mayan society under Guatemala jungle

The study estimates that roughly 10 million people may have lived within the Maya Lowlands.

3 Feb 2018 1:48 PM IST

Following the first flight, the aircraft also did another test flight, although the figures for the second test flight havent been given out yet. (Photo: Vahana)

Airbus' Vahana flying taxi gets airborne for the first time

The Airbus Alpha One prototype air taxi took off autonomously for 53 seconds.

2 Feb 2018 7:23 PM IST

This composite image made from a series of Jan. 23, 2018 photos shows a self-portrait of NASAs Curiosity Mars rover on Vera Rubin Ridge. The rovers arm which held the camera was positioned out of each of the dozens of shots which make up the mosaic. (NASA/JPL-Caltech/MSSS via AP)

NASA turns selfies by Mars rover into stunning self-portrait

A small, self-focusing camera on the end of Curiosity's arm took the selfies.

2 Feb 2018 9:35 AM IST

This image provided by the Sharma Centre for Heritage Education, India in January 2018 shows a sample of artifacts from the Middle Palaeolithic era found at the Attirampakkam archaeological site in southern India. The discovery of stone tools at the site shows a style that has been associated elsewhere with our species. They were fashioned from 385,000 years ago to 172,000 years ago, showing evidence of continuity and development over that time. (Photo: AP)

Stone tools in India suggest earlier human exit from Africa

Homo sapiens arose in Africa at least 3,00,000 years ago and left to colonise the globe.

1 Feb 2018 8:05 PM IST

The IMAGE spacecraft undergoing launch preparations in early 2000. Credits: NASA

An amateur astronomer finds 12-year old satellite

The identity of the satellite re-discovered on January 20, 2018, has been confirmed as NASA's IMAGE satellite.

1 Feb 2018 7:45 PM IST

Hawaii and Alaska had the best seats, along with the Canadian Yukon, Australia and Asia.

Lunar showstopper: Super blue blood moon awes and wows

The moon put on a rare cosmic show a red blue moon, super big and super bright.

1 Feb 2018 9:06 AM IST

Lunar eclipse seen in the backdrop of a Cross in Secunderabad on Wednesday night. (Photo: DC)

Super moon' dazzles in Hyderabad sky

Bigger, brighter and eclipsed full moon was first seen at 6.36 pm.

1 Feb 2018 2:03 AM IST

The moon turns a reddish hue as it passes through the earths shadow during a lunar eclipse as seen in Gauhati, India.

First Super Blue Blood Moon in 35 years

NASA is calling it a lunar trifecta: the first super blue blood moon since 1982. That combination won't happen again...

31 Jan 2018 9:05 PM IST

If you miss this one, the next blue Moon total lunar eclipse will happen on December 31, 2028.

Super Blue Blood Moon' takes over the sky

The blood red colour happens when the Earth enters between the Moon and the Sun, cutting off light rays on the lunar...

31 Jan 2018 5:46 PM IST

There is only a limited window available to restrict warming to within 20ÂºC.

Chemical sunshade to slow warming may not be feasible: UN

United Nations has reviewed the idea of creating a 'sunshade' using sun-dimming chemicals.

31 Jan 2018 12:12 PM IST

Corals can recover if the water temperature drops and the algae are able to recolonise them, but it can take a decade

Corals in Atlantic Ocean to have stricter preservation rules

Environmentalists, regulators and harvesters of species including squid, scallops and lobster have debated the proposal...

31 Jan 2018 7:39 AM IST