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Religious fanatics burnt the library of Alexandria charging that it contained blasphemous and lewd books, and in India, the orthodoxy was mired in the puranic Saptadwipa (in which the Earth was seen as one big island).

Geosphere: Measuring the size of Earth

Greek astronomer and mathematician unravels the mystery of how an ancient Greek astronomer got the size of the Earth...

16 April 2017 6:42 AM IST

The new system consisted of dust-sized MOF crystals compressed between a solar absorber and a condenser plate, placed inside a chamber open to the air.

MIT scientists build solar-power harvest to extract water from dry air

The solar-powered harvester, which can work in conditions as low as 20 per cent humidity

15 April 2017 8:07 AM IST

Nasa has pinpointed C/2016 U1 NEOWISE as a comet, which is set to fly close to Earth this week.

Large asteroid to hurtle past Earth on April 19

An asteroid as big as the Rock of Gibraltar will streak past Earth on April 19 at a safe but uncomfortably close...

15 April 2017 7:48 AM IST

This illustration shows Cassini diving through the Enceladus plume in 2015. New ocean world discoveries from Cassini and Hubble will help inform future exploration and the broader search for life beyond Earth. (Photo: NASA)

There may be an alien life in solar system: NASA

NASA's Saturn probe Cassini observed a plume of water from a crack in Saturn's moon.

14 April 2017 8:40 AM IST

Cassini does not have on-board instruments capable of finding signs of life on any of Saturns moon or Saturn itself.

Saturn moon has necessary conditions to harbor life: NASA

NASA's old Cassini detects plumes of hydrogen molecules emanating from cracks in the surface of ocean-moon

14 April 2017 8:15 AM IST

Phobos, the largest and closest of two moons circling the Red Plane (Photo: AFP)

France, Japan aim for Martian Moon

Phobos, the largest and closes of the two moons circling around Mar's moon, is 17kms in diameter

14 April 2017 7:51 AM IST

Almost all spiders are venomous, but very few are dangerous to humans.

New species of cave dwelling spiders identified

The Sierra Cacachilas wandering spider named Califorctenus cacachilensis has thick, fang-like structures

13 April 2017 9:01 PM IST

Jupiter is at its closest to the Earth and the hemisphere facing our planet is fully illuminated by the Sun

Earth-sized 'Tatooine' planets may be habitable: study

In a particular range of distances from two sun-like host stars, a planet covered in water would remain habitable and...

13 April 2017 8:59 PM IST

(Representational image)

Tatooine' from Star Wars could actually be a habitable planet

An Earth-sized 'Tatooine' like planet could be quite hospitable if located at the right distance from its two stars.

13 April 2017 5:34 PM IST

(Representational ima(Representational image)ge)

Early dinosaurs were similar to crocodiles: study

Teleocrater did not look much like a dinosaur. It resembled the monitor lizards alive today, researchers said.

13 April 2017 4:36 PM IST

Night-time view of India and surrounding area from space in 2016 (Photo: NASA)

NASA releases images of night-time view of India

The image was made possible by the satellite possible by the satellite day-night band' of the Visible Infrared Imaging...

13 April 2017 3:24 PM IST

Theoretical astronomy tells us that when a black hole absorbs matter, a brief flash of light is visible as depicted in this artists rendering (Photo: AFP)

Astronomers works to puzzle out black hole

The targeted black hole is hidden in plain sight, lurking in the centre of the Milky Way in a region called Sagittarius...

13 April 2017 7:59 AM IST