Most known planets orbit a star. These planets, including Earth, benefit from the star's warmth and light. And it is the light emitted from these stars which makes it possible for us to see them. But there are also "invisible" ...
Astronomy
Nov 9, 2020
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33
Falling oxygen levels caused by global warming could be a greater threat to the survival of life on planet Earth than flooding, according to researchers from the University of Leicester.
Environment
Dec 1, 2015
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499
While looking for life on planets beyond our own solar system, a group of international scientists has created a colorful catalog containing reflection signatures of Earth life forms that might be found on planet surfaces ...
Astronomy
Mar 16, 2015
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808
Astronomers have detected wildly changing temperatures on a super Earth – the first time any atmospheric variability has been observed on a rocky planet outside the solar system – and believe it could be due to huge amounts ...
Astronomy
May 5, 2015
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1085
University of Texas at Austin astronomer Andrew Mann and colleagues have discovered a planet in a nearby star cluster which could help astronomers better understand how planets form and evolve. The discovery of planet K2-25b ...
Astronomy
Feb 25, 2016
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204
Four billion years ago, our then stripling sun radiated only 70 to 75 percent as much energy as it does today. Other things on Earth being equal, with so little energy reaching the planet's surface, all water on the planet ...
Earth Sciences
Apr 6, 2010
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0
Two McGill University astronomers have assembled a "fingerprint" for Earth, which could be used to identify a planet beyond our Solar System capable of supporting life.
Astronomy
Aug 28, 2019
1
681
Perhaps the most intriguing exoplanets found so far are those bigger than our rocky, oceanic Earth but smaller than cold, gas-shrouded Uranus and Neptune. This mysterious class of in-between planets—alternatively dubbed ...
Astronomy
Sep 30, 2013
11
0
Planetary scientists have calculated that there are hundreds of billions of Earth-like planets in our galaxy which might support life.
Astronomy
Feb 4, 2015
19
622
SpaceX safely returned four astronauts from the International Space Station on Sunday, making the first U.S. crew splashdown in darkness since the Apollo 8 moonshot.
Space Exploration
May 2, 2021
1
96
