University of Arizona

Space and Sustainability: How the Lessons of Biosphere 2 Inspired SAM²

Guided by the lessons of Biosphere 2 experiments, a team of experts is launching the Space Analog for the Moon…

3 months ago

No, a Dinosaur Skull Hasn’t Been Found on Mars: Why We See Familiar Looking Objects on the Red Planet

What is up with the fossils on Mars? Found - a dinosaur skull on Mars? Discovered - a rat, squirrel…

6 years ago

Bizarre Mars: Did Lava Bubbles Wrinkle This Giant Circle?

NASA is puzzled by this "enigmatic landform" caught on camera by one of its Mars orbiters, but looking around the…

6 years ago

It’s Complicated: Hubble Survey Finds Unexpected Diversity in Dusty Discs Around Nearby Stars

Using NASA's Hubble Space Telescope, astronomers have completed the largest and most sensitive visible-light imaging survey of the debris disks…

6 years ago

If the Sun Were the Size of a Person, How Big Would an Asteroid Be?

I love anything that attempts to provide a sense of scale about the Solar System (see here and here for…

7 years ago

Martian Avalanches And Defrosting Dunes Among New Gorgeous HiRISE Images

As NASA's missions at the Red Planet age, it's so important not to take any of the pictures beamed back…

7 years ago

This Exoplanet Is Turning Planetary Formation Scenarios Upside Down

What the heck is that giant exoplanet doing so far away from its star? Astronomers are still trying to figure…

7 years ago

Skim Across Mars In Virtual Reality With These New Orbital Images

Stop what you're doing, grab the nearest 3-D glasses (red/blue type) you have available and then pretend you're hovering above…

7 years ago

Clouds of Sand and Iron Swirl in a Failed Star’s Extreme Atmosphere

Artist's concept of brown dwarf  2MASSJ22282889-431026 (NASA/JPL-Caltech) The complex weather patterns within the atmosphere of a rapidly-rotating brown dwarf have been…

8 years ago

First-Ever Image of a Black Hole to be Captured by Earth-Sized Scope

[/caption] "Sgr A* is the right object, VLBI is the right technique, and this decade is the right time." So…

9 years ago