28 September 2007

• A whiff of oxygen before the great oxidation event?
• Late Archean biospheric oxygenation and atmospheric evolution
• The value of human spaceflight

27 September 2007

• A diversity of worlds (Vikki Meadows lecture, part 4)
• Evidence for an extraterrestrial impact 12,900 years ago that contributed to the megafaunal extinctions and the Younger Dryas cooling
• NASA research indicates oxygen on Earth 2.5 billion years ago

26 September 2007

• Blowing a hole in a comet: take 2
• Life-giving rocks from a depth of 250 km
• These are tough microbes, but they don't come from Mars

24 September 2007

• Microbes gain strength in space
• Scientists model a cornucopia of Earth-sized planets
• The spectrum of life (Vikki Meadows lecture, part 3)

23 September 2007

• New mini-series, documentary target the red planet

21 September 2007

• Cave skylights spotted on Mars
• MIT observations give precise estimate of Mars surface ice

20 September 2007

• Dealing with threatening space rocks
• Hope for water on Mars dims with sharp new images
• Location, location, location (Vikki Meadows lecture, part 2)
• NASA orbiter provides insights about Mars water and climate
• NASA plans bigger Moon base, sporty rovers for future missions
• Though colder than Earth, Titan is tropical in nature

19 September 2007

• 17th Western Photosynthesis Conference
• Argon conclusion: researchers reassess theories on formation of Earth's atmosphere

18 September 2007

• 5 essential things to do in space
• Help wanted: astronauts
• Life marker chip heads to space
• NASA maps the Moon with Google

17 September 2007

• NAI Newsletter
• The light of alien life

14 September 2007

• Mars wobbles and ice falls down

13 September 2007

• A volcanic switch
• Planet survives its star becoming a red giant

12 September 2007

• UA astronomers will trace planet formation with neon

11 September 2007

• Life's ingredients may have "sprinkled" on Earth
• UK samples set for a taste of space

10 September 2007

• The Protocell Project

9 September 2007

• Voyager at 30

7 September 2007

• When clams ruled the world

6 September 2007

• An asteroid breakup 160 Myr ago as the probable source of the K/T impactor
• When the parasite becomes the host

5 September 2007

• Essentially immortal

4 September 2007

• Ancient bacteria show evidence of DNA repair
• Cleaning clean rooms
• Mars Astrobiology Field Laboratory and the search for signs of life
• Molecular evidence of Late Archean archaea and the presence of a subsurface hydrothermal biosphere
• Spaceport America design unveiled
• Study identifies key player in the body’s immune response to chronic stress

3 September 2007

• Phoenix takes flight

1 September 2007

• Dangling a COROT