life on earth

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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,

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