Ocean warming blamed for North Pacific dead zones
Abrupt ocean warming at the end of the last ice age was linked to the sudden onset of low-oxygen, hypoxic, conditions that led to vast marine dead zones in the North Pacific, new research has found.
Nov 22, 2015, 11:45 AM IST
A whiff from blue-green algae gave oxygen to Earth
Oxygen on Earth emerged in whiffs from a kind of blue-green algae in shallow oceans around 2.5 billion years ago, helping the origin of life with enough oxygen around to inhale, shows significant research from Canadian and US scientists.
Nov 21, 2015, 12:43 PM IST
Ocean 'dead zones' begot by warming
A new study has linked low-oxygen 'dead zones' in North Pacific to the past ocean warming.
Nov 21, 2015, 11:33 AM IST
Rosetta space probe detects oxygen on comet 67P
The Rosetta space probe has been studying the comet for over a year and has detected an abundance of different gases pouring from its nucleus.
Oct 30, 2015, 10:35 AM IST
Discovery of oxygen on comet 'big surprise': Study
Stunned scientists announced today the unexpected discovery of large quantities of oxygen on a comet which streaked past the Sun in August with a European spacecraft in tow.
Oct 29, 2015, 01:25 AM IST
Oxygen in ocean spread much earlier than previously thought
Iron-bearing rocks that formed at the ocean floor 3.2 billion years ago carry unmistakable evidence of oxygen, much earlier than previous discoveries reported, a new research has found.
Oct 07, 2015, 16:34 PM IST
There's more oxygen in Earth's core than previously believed
A new view of the content of the Earth's core has suggested that there is more oxygen in it than previously believed.
Sep 23, 2015, 11:31 AM IST
Alien life: Don't let oxygen fool you
Oxygen doesn't always point to alien life as per a new study.
Sep 20, 2015, 17:28 PM IST
There may be alien life without oxygen: Researcher
Till date, oxygen has been thought to be essential for life. Now, a Japanese researcher has presented a novel hypothesis that it could be possible for distant planets to have large quantities of abiotic (non-biologically produced) oxygen.
Sep 10, 2015, 18:39 PM IST