Scientists at NASA say the unmanned Voyager 1 spacecraft has reached the edges of the solar system. They estimate in a few months to a year Voyager 1 will become the first manmade object to leave the solar system and enter interstellar space.
The Earth's ice sheets are melting three times faster than they were two decades ago, 47 researchers say in a recently published study. The scientists fault human-created global warming for the dramatic increase in melting.
Temperatures on Mercury can reach 800 degrees Fahrenheit, but around the north pole, in areas permanently shielded from the sun's heat, NASA's Messenger spacecraft found a mix of frozen water and possible organic materials.
The Minnesota National Guard said it found some missing Apollo 11 moon rocks. The discovery in Minnesota now leaves 11 states, including Massachusetts, Texas and Wisconsin, still missing their Apollo 11 moon rocks.
NASA astronaut Scott Kelly and Russian cosmonaut Mikhail Kornienko will spend an entire year aboard the International Space Station. The extended mission will help provide information about far-flung trips to asteroids and Mars.
In Musk's vision, the ambitious Mars settlement program would start with a pioneering group of fewer than 10 people, who would journey to the Red Planet aboard a huge reusable rocket powered by liquid oxygen and methane.
UN talks for a new pact to curb greenhouse emissions and slow climate change are underway in Qatar. Negotiators hope to extend the Kyoto Protocol. The concentration of greenhouse gases such as carbon dioxide has jumped 20 percent since 2000, according to a U.N. report released last week
NASA spacecraft captured HD video of a giant plasma eruption on the surface of the Sun Friday. This plasma eruption is not headed toward Earth, so isn't expected to cause any communication problems. The sun is currently in the middle of an active phase of its 11-year solar weather cycle.