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Water may have flowed on ancient Mars in peak summers, even though the red planet was generally frozen over, a study suggests.

Water once flowed on 'cold and icy' ancient Mars: study

Scientists trying to understand what ancient Mars might have been like, the red planet sends some mixed signals.

18 Oct 2017 1:15 PM IST

Cetaceans whales and dolphins are among the brainiest of beings.

Big and brilliant: complex whale behaviour tied to brain size

Scientists have identified key differences among cetaceans linked to brain size.

18 Oct 2017 12:56 PM IST

Workers are expected to begin mining operations at the US nuclear waste dump in New Mexico for the first time in three years.

US nuke waste repository in New Mexico will get more space

The work to carve out more disposal space from the ancient salt formation will begin later this fall and should be...

18 Oct 2017 10:44 AM IST

North Korean ambassador to UN Kim In Ryong warned that the entire US mainland was within the firing range of the Norths missiles.

North Korea has plans for more satellites

North Korea accused the United States of trying to block its efforts to help peacefully develop outer space.

18 Oct 2017 10:09 AM IST

Parts of an unmanned Russian cargo spaceship burned across the night sky of the Arabian Peninsula.

Video | Watch parts of unmanned Russian spaceship burn up over Dubai

Parts of the spaceship streaked across the Dubai skyline behind the Burj Khalifa, drawing both stunned and anxious...

18 Oct 2017 8:52 AM IST

Discovery marks first cosmic event observed in both gravitational waves and light. (Image - NASA)

Indian scientist part of team that taps gold origins from...

LIGO and Virgo make first detection of gravitational waves produced by colliding neutron stars.

17 Oct 2017 5:54 PM IST

A rendering of a neutron star merger.

Astronomers witness huge cosmic crash, find origins of gold

Thousands of astronomers found the aftermath of the merger in the sky.

17 Oct 2017 8:17 AM IST

This Planet 9, as the two California Institute of Technology researchers call it, hasnt been spotted yet (Photo: Pixabay)

Ice giant Planet Nine a reality: NASA

Konstantin Batygin says there are now five different lines of observational evidence pointing to the existence of Planet...

16 Oct 2017 4:34 PM IST

This research helps us to understand the survival strategies of king penguins in their natural habitats.

Antarctic penguin chicks face mass die-off alarm researchers

Sea ice extent in the polar regions varies each year, but climate change has made the fluctuation more extreme.

16 Oct 2017 8:21 AM IST

Inky the octopus, which escaped from the National Aquarium in New Zealand via a drainpipe. (Credit: Screen grab/ YouTube)

Octopus skin inspires programmable camouflaging material

The pneumatically-activated material developed by researchers takes a cue from the 3D bumps, or papillae for dynamic...

15 Oct 2017 12:59 PM IST

Smoke from the wildfires north of San Francisco plunged air quality levels in the Bay Area.

Choking smoke over San Francisco leads to 15 percent flight delays,...

The region has endured days of choking smoke and claimed at least 31 lives and demolished thousands of homes and...

14 Oct 2017 11:33 AM IST

The launch of Japans third geo-positioning satellite is part of its plan to build a version of the US global positioning system (GPS) to offer location information used for autopiloting and possible national security purposes.

Russia launches European satellite, move to monitor Earth's atmosphere

The mission will contribute to volcanic ash monitoring for aviation safety and for services that warn of high levels of...

14 Oct 2017 11:08 AM IST