Atmosphere

Mountain erosion may add CO2 to atmosphere: Study

Mountain erosion may add CO2 to atmosphere: Study

The process of mountain erosion can be a source of new carbon dioxide gas that can release it back into the atmosphere far faster than it is being absorbed into newly exposed rock, a study has found.

Apr 13, 2018, 17:40 PM IST
China's space lab Tiangong-1 is falling to Earth this week

China's space lab Tiangong-1 is falling to Earth this week

Space authorities said that the space lab should burn up in the atmosphere.

Mar 27, 2018, 10:44 AM IST
Moon once had an atmosphere: NASA study

Moon once had an atmosphere: NASA study

When one looks up at the Moon, dark surfaces of volcanic basalt can be easily seen to fill large impact basins.

Oct 06, 2017, 14:21 PM IST
NASA’s MAVEN reveals how Sun stripped Mars' atmosphere

NASA’s MAVEN reveals how Sun stripped Mars' atmosphere

Since its launched in November 2013, MAVEN has come up with multiple discoveries, revealing how the Sun stripped Mars of most of its atmosphere.

Jun 17, 2017, 22:33 PM IST
Rising levels of carbon dioxide may change crucial marine process

Rising levels of carbon dioxide may change crucial marine process

Climate change may be putting cyanobacteria, that are crucial to the functioning of the ocean, at risk.

Apr 28, 2017, 21:37 PM IST
NASA's MAVEN spacecraft reveals Mars has metal in its atmosphere

NASA's MAVEN spacecraft reveals Mars has metal in its atmosphere

The metal ions can reveal previously invisible activity in the mysterious electrically charged upper atmosphere (ionosphere) of the Red Planet.

Apr 11, 2017, 12:25 PM IST
Earth-like planet 'GJ 1132b' outside our Solar System has its own atmosphere

Earth-like planet 'GJ 1132b' outside our Solar System has its own atmosphere

The planet known as GJ 1132b, which is 1.4-times the size of our planet Earth, is orbiting a red dwarf star GJ 1132 in the southern constellation Vela, at a distance of 39 light-years from us. 

Apr 10, 2017, 16:09 PM IST
Hot hydrogen atoms in Earth's upper atmosphere found

Hot hydrogen atoms in Earth's upper atmosphere found

A team of University of Illinois researchers has discovered the existence of hot atomic hydrogen (H) atoms in an upper layer of Earth's atmosphere known as thermosphere.

Dec 08, 2016, 22:34 PM IST
Global deal reached to phase out super greenhouse gases

Global deal reached to phase out super greenhouse gases

In a major step toward curbing global warming, the world community agreed on Saturday to phase out a category of dangerous greenhouse gases widely used in refrigerators and air conditioners.

Oct 15, 2016, 20:07 PM IST
Mars crust dynamically contributed to makeup of its atmosphere: NASA

Mars crust dynamically contributed to makeup of its atmosphere: NASA

The findings come from the NASA's Curiosity rover's Sample Analysis at Mars, or SAM, instrument suite, which studied the gases xenon and krypton in the Mars atmosphere.

Sep 30, 2016, 14:09 PM IST
NASA's Hubble conducts first atmospheric study of earth-sized exoplanets (Watch)

NASA's Hubble conducts first atmospheric study of earth-sized exoplanets (Watch)

The findings increase the chances of habitability on two exoplanets - TRAPPIST-1b and TRAPPIST-1c.

Jul 21, 2016, 09:28 AM IST
Cosmic dust unveils Earth's ancient atmosphere

Cosmic dust unveils Earth's ancient atmosphere

Using the oldest fossil micrometeorites - space dust - ever found, the new study has made a surprising discovery about the chemistry of Earth's atmosphere 2.7 billion years ago.

May 14, 2016, 16:15 PM IST
Rise in oxygen gave breath of life to evolution

Rise in oxygen gave breath of life to evolution

According to a recent study, the 'explosion' of animal life on Earth may have taken place after slow rise of oxygen.

Dec 19, 2015, 09:44 AM IST
NASA steps up efforts to better understand carbon, changing climate

NASA steps up efforts to better understand carbon, changing climate

 So far, half of all all carbon dioxide emissions from the burning of fossil fuels and other sources are getting absorbed by the land plants and ocean.

Nov 13, 2015, 09:40 AM IST
Newly-found earth-sized rocky planet too hot for life

Newly-found earth-sized rocky planet too hot for life

 Scientists have discovered a new exoplanet that, in the language of "Star Wars," would be the polar opposite of frigid Hoth, and even more inhospitable than the deserts of Tatooine.  

Nov 12, 2015, 16:43 PM IST

'Rheumatoid arthritis aggravates during high air pollution'

Symptoms of rheumatoid arthritis aggravate in a patient when presence of air pollutants increases in the atmosphere, found a study by AIIMS.

Oct 10, 2015, 00:27 AM IST
Did ET actually trespass Earth's atmosphere?

Did ET actually trespass Earth's atmosphere?

Space experts were left astonished when they saw a video of Unidentified Flying Object (UFO) in the northern suburbs of Oregon and appeared to show a bright object drifting through the sunset.

Oct 02, 2015, 13:33 PM IST

Climate: No 'Plan B' for oceans, says study

Technology to drain heat-trapping CO2 from the atmosphere may slow global warming, but will not reverse climate damage to the ocean on any meaningful timescale, according to research published today.

Aug 04, 2015, 00:25 AM IST
Earth's magnetic shield much older than previously thought

Earth's magnetic shield much older than previously thought

The Earth's magnetic field is at least four billion years old, up from the previous estimates of 3.45 billion years, researchers from University of Rochester have found.

Jul 31, 2015, 11:51 AM IST
'Missing' carbon sink found underneath world's deserts

'Missing' carbon sink found underneath world's deserts

 Besides our oceans and plants, the world's deserts may be storing a large portion of carbon dioxide emitted by human activities, a new study suggests.

Jul 29, 2015, 13:25 PM IST