The contentious Archaean biosignatures
Successive new discoveries in recent years have been pushing the rock record of earliest life to the first billion years of earth history, within the Palaeoarchaean

UV Shielding Properties of Jarosite Vs. Gypsum: Astrobiological Implications for Mars
The discovery of liquid water-related sulfates on Mars is of great astrobiological interest.

Tracking the record of early life
Life may have been present on Earth from about 3.8 Ga or earlier.

Analysis of evidence of Mars life
Gillevinia straata, the scientific name recognizing the first extraterrestrial living form ever nomenclated

Modern Myths Concerning Life on Mars
This paper attempts to bring the supportable facts together in calling for a revision of the current consensus regarding life on Mars. It recommends actions to facilitate the paradigm change.

Extraterrestrial amino acids in Orgueil and Ivuna: Tracing the parent body of CI type carbonaceous chondrites
A report on the results of amino acid analyses of Orgueil and Ivuna by using highly sensitive analytical techniques recently developed to study meteorites

NASA Orbiter Provides Insights About Mars Water and Climate
NASA's Mars Reconnaissance Orbiter (MRO) is examining several features on Mars that address the role of water at different times in Martian history.

NASA Research Indicates Oxygen on Earth 2.5 Billion Years Ago
NASA-funded astrobiologists have found evidence of oxygen present in Earth's atmosphere earlier than previously known, pushing back the timeline for the rise of oxygen in the atmosphere.

NASA Spacecraft Sees Changes in Jupiter System
NASA's New Horizons spacecraft provided a new bird's-eye view of the dynamic Jupiter system as it traveled through the planet's orbit on Feb. 28.

NASA Announces New Center Assignments for Moon Exploration
NASA announced Tuesday which agency centers will take responsibility for specific work to enable astronauts to explore the moon.

NASA's Space Shuttle Discovery Set To Land Wednesday
The space shuttle Discovery crew is scheduled to complete a 15-day mission to the International Space Station with a landing at NASA's Kennedy Space Center, Fla., on Wednesday, Nov. 7.

Scientists Discover Record Fifth Planet Orbiting Nearby Star
Astronomers have announced the discovery of a fifth planet circling 55 Cancri, a star beyond our solar system.

NASA's Space Shuttle Atlantis To Move To Launch Pad Saturday
Space shuttle Atlantis is scheduled to roll out to Launch Pad 39A at NASA's Kennedy Space Center, Fla., on Saturday, Nov. 10, as preparations for the STS-122 mission move forward.

Shooting for the moon
Clues to Earth's earliest days and first microbial inhabitants may survive in an unexpected place: the moon.

Meteorites Supplied Earth Life with Phosphorus, Scientists Say
University of Arizona scientists say they have discovered that meteorites, particularly iron meteorites, may have been critical to the evolution of life on Earth.

Streams, rivers, springs and rain
New images from Saturn’s moon Titan show familiar Earth-like features including springs, rivers, streams and rainfall – but with exotic ingredients, scientists say.

Even 'failed stars' form planets
An international team of astronomers shows that even brown dwarfs start to form planets

New study of solar system speculates about life on other planets
A comprehensive review by leading scientists about our Solar System which speculates on the possibility of life on other planets has been published.

Forming super-Earths by ultraviolet stripping
A new explanation for forming "super-Earths" suggests that they are more likely to be found orbiting red dwarf stars

Unlocking the frozen secrets of comet Wild 2
Eleven months ago, NASA’s Stardust mission touched down in the Utah desert with the first solid comet samples ever retrieved from space.