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Are we all aliens? Asteroid samples hint at existence of ancient watery world

NASA's Osiris-Rex spacecraft returned 122 grams (4 ounces) of dust and pebbles from the near-Earth asteroid Bennu,
world news
Published on Jan 30, 2025 07:20 AM IST

The great defrost: Mridula Ramesh, on the perils of a melting Antarctica

Sea ice reached a new low last year – the fourth new low here in seven years. The continent of ice is crumbling at its edges. One of these chunks is A23a (see aerial view above). The world’s largest iceberg – about four times the size of Delhi – is currently drifting and melting into the Southern Ocean. (Courtesy Ian Strachan / Eyos Expedition)
art culture
Updated on Mar 02, 2024 12:34 PM IST

Life on Earth seeded from outer space? New study suggests ‘strong evidence'

Carbonaceous rock samples retrieved from the asteroid Ryugu, that were subjected to chemical analysis by Hayabusa2 soluble organic matter (SOM) team members, led by Hiroshi Naraoka, Yoshinori Takano and Jason Dworkin.
science
Published on Mar 22, 2023 08:31 AM IST

Scientists identify substance that may have sparked life on Earth

After sequences of experiments, researchers concluded the best candidate was Nickelback. (NASA / NOAA)
science
Published on Mar 11, 2023 07:28 PM IST

Researchers say meteorites could have paved way for life on Earth. Here's how

One scientific hypothesis is that meteorites delivered amino acids life's building blocks to our planet.
science
Published on Dec 08, 2022 02:53 PM IST

Explained: What is leap second? Why are we scrapping it?

Clocks needs to be synchronised with solar time.
technology
Published on Nov 22, 2022 03:53 PM IST

Earth's first known mass extinction happened over 500 million years ago: Study

Environmental changes, such as global warming and deoxygenation events, can lead to massive extinction of animals and profound disruption and reorganization of the ecosystem.
science
Published on Nov 09, 2022 08:27 PM IST

How passage of Inflation regulation bill has just changed the climate future

The Inflation Reduction Act which got passed through the House after approval by the Senate last week and expected to be signed into law by President Joe Biden, is a climate investment with no parallel in US history.
environment
Published on Aug 13, 2022 09:45 AM IST

Scientists use tiny trackers, plane to follow moths migration path

Death’s-head hawk moths is a dark colored insect with yellow underwings and skull-like markings.
technology
Published on Aug 12, 2022 04:53 PM IST

Meteorite impacts led to formation of continents on Earth?

Meteorite impacts, similar to those responsible for the extinction of the dinosaurs, are said to be behind continent formation.
science
Updated on Aug 12, 2022 02:54 PM IST

A toddling Taylor Swift, sarcastic little aliens and a tiny Saif Ali Khan...it is all things cute in this week’s WTF

brunch
Updated on Dec 21, 2019 11:18 PM IST

Based on Israel’s success story, we want to help India in its quest for water | Opinion

When it comes to our close friend India, we are keen to share our experience, and help India ensure water for all
analysis
Published on Nov 24, 2019 04:11 PM IST

What we can do to tackle extreme weather events | Analysis

Warming oceans could put India’s costal cities such as Mumbai at risk
analysis
Updated on Oct 17, 2019 07:51 PM IST

Richard Branson may take space-tourism venture public

In this file photo taken on February 22, 2019 courtesy of Virgin Galactic, SpaceShipTwo mates to the mothership, WhiteKnightTwo, at Mojave Space Port on February 19, 2019, in Mojave, California.
world news
Updated on Jul 10, 2019 07:55 AM IST

Climate change: There is no room for complacency

Without rapid cuts in CO2 and other greenhouse gases, climate change will have increasingly destructive and irreversible impacts on life on Earth
editorials
Updated on Nov 26, 2018 12:10 PM IST

‘It will be destructive’: Carbon dioxide levels up by 46% in over 250 years

The amount of carbon dioxide in the atmosphere hit a new record last year with emissions showing no sign of slowing down, the UN World Meteorological Organization said on Thursday.
world news
Updated on Nov 22, 2018 05:55 PM IST

This NASA space instrument set to visit Jupiter’s Trojan asteroids

NASA’s Ralph -- a space instrument that has travelled as far as Pluto -- is set to explore Jupiter’s Trojan asteroids.
world news
Updated on Nov 08, 2018 07:13 PM IST

Japan space probe launches new robot onto asteroid

This picture released by JAXA on September 27, 2018, shows the Ryugu asteroid surface image.
world news
Updated on Oct 03, 2018 11:49 AM IST
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