Mars
More Evidence of Water on Early Mars 
River deposits exist across the surface of Mars and record a surface environment from over 3.5 billion years ago that was able to support liquid water at the surface.
Astrochemistry
Could Interstellar Ice Provide The Answer To Birth Of DNA?
Researchers at the University of York have shown that molecules brought to earth in meteorite strikes could potentially be converted into the building blocks of DNA.
Fossils
Half-a-billion-year-old Fossils Shed light Animal Evolution on Earth
Scientists have discovered traces of life more than half-a-billion years old that could change the way we think about how all animals evolved on earth.
Proxima Centauri b
Was Proxima Centauri Captured by Alpha Centauri A and B?
The nearest stellar system consists of the stars Proxima, alpha Centauri A and B and at least one planet Proxima b. The habitability of Proxima b and any other planets are likely to be significantly influenced by the orbital evolution of the system.
Extrasolar Planets
Photosynthesis Under Light Conditions Different from Earth's
M-dwarfs or red dwarfs are small (0.5-0.1 solar-mass) and cool ( ~3,000 kelvin) stars and are abundant in the universe.
Astronomy
Space Telescope Designed to Directly Image the Habitable Zone of Alpha Centauri
The scientific interest in directly image and identifying Earth-like planets within the Habitable Zone (HZ) around nearby stars is driving the design of specialized direct imaging mission such as ACESAT, EXO-C, EXO-S and AFTA-C.
SETI
The Breakthrough Listen Search for Intelligent Life: 1.1-1.9 GHz observations of 692 Nearby Stars
We report on a search for engineered signals from a sample of 692 nearby stars using the Robert C. Byrd Green Bank Telescope (GBT), undertaken as part of the Breakthrough Listen Initiative search for extraterrestrial intelligence.
Proxima Centauri b
Do-It-Yourself Science -- Is Proxima c Hiding In This Graph?
Is Proxima c hiding in this graph?
Polar Research
Secret Life May Thrive In Warm Caves Under Antarctica's Glaciers
A new study led by ANU has found that animals and plants may live in warm caves under Antarctica's glaciers.
Astrochemistry
Does the Organic Material of Comets Predate our Solar System?
The Rosetta space probe discovered a large amount of organic material in the nucleus of comet "Chury."
Habitable Zones & Global Climate
Earth As A Hybrid Planet: The Anthropocene Era in Astrobiological Context
For decades, as astronomers have imagined advanced extraterrestrial civilizations, they categorized such worlds by the amount of energy their inhabitants might conceivably be able to harness and use.
More top stories from September.
Recent Releases
Recent Status Reports
Calendar
- 25 Sep: Planet Formation and Evolution 2017
- 25 Sep: NASA Innovative Advanced Concepts (NIAC) Symposium
- 28 Sep: Astrobiology, Synthetic Biology, and the Future of Life
- 1 Oct: International MoonBase Summit
- 2 Oct: Satellite Innovation Symposium
- 2 Oct: NASA Earth Science Advisory Committee Meeting
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