Earth
New Geography Trivia Challenge From Space
[/caption] You can now test your knowledge of the world’s geography in a new trivia game on Twitter sponsored by…
Astronomy Without A Telescope – Necropanspermia
[/caption] The idea that a tiny organism could hitchhike aboard a mote of space dust and cross vast stretches of…
Mount Merapi Still Blowing off Steam
[/caption] For about three weeks, Indonesia's Mount Merapi has been belching out lava, as well as ash and gas, clouding…
Simple Colors Could Provide First Details of Alien Worlds
At best, the few extrasolar planets we have imaged directly are just points of light. But what can that light…
Calculate the Effect of an Asteroid Impact on Earth
[/caption] A 20-km asteroid has just been predicted to hit Earth and you want to know if a. You should…
Best of Earth from the ISS
The International Space Station has been orbiting the Earth every day for over 10 years, and the astronauts all say…
Earth Orbiting Satellites Maneuvered to Now Study the Moon
In another case of NASA reusing and recycling spacecraft, two of the five THEMIS spacecraft -- which were studying the…
How to Deflect an Asteroid with Today’s Technology
Apollo 9 astronaut Rusty Schweickart is among an international group of people championing the need for the human race to…
The New Blue Marble
[/caption] Despite recent news of potential habitable exoplanets and amazing images of Mars and the Saturn system returned from visiting…
Watch the Effects of Earthquakes Just Hours After They Occur
Princeton University has developed software that can produce realistic “movies” of earthquakes based on complex computer simulations, and these visualizations…