Search results for Terrestrial Planets

Astrobiology Jul 15, 2022

To search for alien life, astronomers will look for clues in the atmospheres of distant planets

The ingredients for life are spread throughout the universe. While Earth is the only known place in the universe with life, detecting life beyond Earth is a major goal of modern astronomy and planetary science.

Astronomy Jun 16, 2022

Dead star's cannibalism of its planetary system is most far-reaching ever witnessed

The violent death throes of a nearby star so thoroughly disrupted its planetary system that the dead star left behind—known as a white dwarf—is sucking in debris from both the system's inner and outer reaches, UCLA astronomers ...

Astronomy May 23, 2022

CHES survey could detect exoplanets within a few dozen light-years of Earth using astrometry

NASA has indicated that 5,030 extrasolar planets have been confirmed in 3,772 systems, with another 8,974 candidates awaiting confirmation. With next-generation instruments like the James Webb Space Telescope (JWST) coming ...

Planetary Sciences May 9, 2022

Volcanoes may have killed Venus with a runaway greenhouse: Implications for Earth-bound volcanism

What turned Venus into hell? It could have simply been a steadily warming sun, but new research suggests that volcanoes may have played a role in creating a runaway greenhouse effect. And the same history of active Volcanism ...

Ecology May 6, 2022

What ancient pollen tells us about future climate change

Around 56 million years ago, Earth's climate underwent a major climatic transition. A huge release of carbon into the ocean and atmosphere raised atmospheric carbon dioxide (CO2) concentrations—which meant temperatures going ...

Space Exploration May 3, 2022

Humanity will need to survive about 400,000 years if we want any chance of hearing from an alien civilization

If there are so many galaxies, stars, and planets, where are all the aliens, and why haven't we heard from them? Those are the simple questions at the heart of the Fermi Paradox. In a new paper, a pair of researchers ask ...

Earth Sciences Apr 28, 2022

Research team finds that some magmas originate from mantle portions containing remnants of Earth's earliest crust

In an international collaboration, Earth scientists at the University of Cologne and Freie Universität Berlin have discovered that some magmas on Earth, which made their way through the deep terrestrial mantle and erupted ...

Planetary Sciences Apr 27, 2022

The instability at the beginning of the solar system: Does it portend an undiscovered planet?

Michigan State University's Seth Jacobson and colleagues in China and France have unveiled a new theory that could help solve a galactic mystery of how our solar system evolved. Specifically, how did the gas giants—Jupiter, ...

Astronomy Apr 26, 2022

Carbon dioxide glaciers are moving at Mars' South Pole

Glaciers of carbon dioxide are moving, creating deposits kilometers thick today across the south polar region of Mars, something that could have been going on more than 600,000 years, a paper by Planetary Science Institute ...

Astrobiology Apr 22, 2022

Meteorites from the red desert of Australia support search for life on Mars

Monash University, University of Queensland and Australian National University researchers have used ANSTO's Australian Synchrotron in their study of meteorites found on Earth that could be used in future to find evidence ...

page 31 from 40