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The biggest known structures in the universe are called galaxy clusters which are formed by thousands of galaxies like our milky way.

Cosmic rays striking Earth come from outside Milky Way: study

Fifty years ago, scientists discovered that the Earth is occasionally hit by cosmic rays of enormous energies.

24 Sept 2017 7:53 AM IST

This artists rendering made available by NASA in July 2016 shows the mapping of the near-Earth asteroid Bennu by the OSIRIS-REx spacecraft. The spacecraft will spend a year surveying Bennu before collecting a sample that will be returned to Earth for analysis. (NASA/Goddard/University of Arizona via AP)

Asteroid-bound spacecraft zips by Earth for gravity boost

The spacecraft zipped over Antarctica at a distance of 11,000 miles (17,000 kilometers), using Earth's gravity to shift...

23 Sept 2017 7:42 AM IST

Milkyway Galaxy (Photo: NASA)

Milky Way different from most galaxies: study

These smaller galaxies orbit around the Milky Way and are useful in understanding the Milky Way itself.

22 Sept 2017 10:37 AM IST

A computer generated handout image released by the European Space Agency shows the impact of the DART (Double Asteroid Redirection Test) projectile on the binary asteroid system (65803) Didymos. 9A computer generated handout image released by the European Space Agency shows the impact of the DART (Double Asteroid Redirection Test) projectile on the binary asteroid system (65803) Didymos (Photo: AFP)

Europe urged to reconsider pullout from 'Armageddon' asteroid mission

The test mission is crucial if we are to develop the capacity to protect our planet from incoming projectiles.

22 Sept 2017 8:00 AM IST

Representational image

India becomes largest generator of energy from renewable sources

The data was obtained from the Central Electricity Agency between August 2015 and June 2017.

22 Sept 2017 12:33 AM IST

Earth had a close encounter with a comet in 1996 and 2014. (Representational image)

Waiting for the world's end on September 23? Science thinks you...

The latest world-ending theory seems to be pointless as science has no proof of the mysterious planet's existence.

20 Sept 2017 7:27 PM IST

The ministry of environment, forest and climate (EFCC) change had in July issued a notification on applicability of EIA to the sector.

Solar farms do not need Green study

The Union ministry of New and Renewable Energy (MNRE) issued a circular to all state governments to this effect.

20 Sept 2017 12:14 AM IST

A spacecraft sent to Mars would need rockets and fuel powerful enough to lift back off for the return trip and the humans would need protection from unprecedented physical and mental challenges as well as deep-space radiation.

Ancient Mars supported liquid water: study

Mars had a surface environment that supported liquid water about 3.5 billion years ago.

19 Sept 2017 12:51 PM IST

Heavy clouds gather over the city late on Suday afternoon that bringing some respite from the heat wave. (Photo: DC)

Earth sweltered to 3rd hottest august, summer on record

The average temperature for June through August was 61.47 degrees (16.41 Celsius).

19 Sept 2017 9:38 AM IST

Mysterious night side of Venus revealed for first time

Scientists have characterised wind and cloud patterns of the night side of planet Venus for the first time.

18 Sept 2017 2:11 PM IST

Coral eating starfish are seen in Australias Great Barrier Reef, which has lost more than half its coral cover in the past 27 years due to storms, poisonous starfish and bleaching linked to climate change.

Giant sea snail plan to rescue Barrier Reef

A giant starfish-eating snail could be unleashed to help save the Great Barrier Reef.

18 Sept 2017 12:28 PM IST

When NASA was looking for a new class of astronauts, only 12 were selected from a whopping 18,300 applicants.

Want a job at NASA? Read this first

The starting pay is pretty good, but the jobs are pretty hard to get, tough to keep.

18 Sept 2017 11:39 AM IST