earth
Future Hazard: 1-in-1,000 Chance of Asteroid Impact in 2182
This isn't an urgent call to arms, but it's a future date to consider. In the year 2182 -- 172 years time -- there's the possibility that we might be hit by an asteroid with potential to cause some significant ...
Food for Mars: A Daunting Challenge
Astronaut foods may appear indestructible, but many crew favorites don't retain their nutrition or palatability for even a year.
Space: Planetary Protection Officer
John D. Rummel protects Earth from alien life, as well as alien life from Earth.
Meteorite Impact Crater Found with Google Earth
The massive pock in southwestern Egypt was created no more than a few thousand years ago.
New Deep Sea Vents Discovered in the Caribbean
Here’s the second of my recent Universe Today Articles: scientists have discovered new deep sea vents in the Caribbean that will teach us more about sunless ecosystems. Good to know if we ever want to look for life in the oceans of Europa some day! Check out the article here. Filed under: Astrobiology, Carbonates, Current [...]
Geoneutrinos Could Help Predict Earthquakes
Scientists have detected "geo-neutrinos" deep within the Earth's interior, using a giant underground detector as a kind of "telescope," commonly used to detect solar and cosmic neutrinos.
Eclipse Draws Tourists to Easter Island
Astronomers deemed the mysterious island the best place to witness Sunday's alignment of the sun, Earth and moon.
Mapping our planet's gravity

ESA
GOCE's map shows how density variations affect Earth's gravitational field, ranging from low density (blue) to high (red).
The European Space Agency's GOCE satellite has delivered a beautiful map of Earth's gravity field that will also serve important scientific purposes for years to come.
Spectacular Aurora Ribbon Photographed by Astronaut : Big Pic
Snaking over the Southern Indian Ocean, an intense green aurora erupted just as the International Space Station orbited overhead.
What is the Summer Solstice?
The summer solstice is a big day for druids and other sun worshipers, but how significant is it for life on Earth?

