A panel of experts working at NASA's request has recommended a bold new search for potentially dangerous asteroids, including smaller objects that could cause regional damage in an Earth impact.
Earth's first line of defense against massive communication failures is expected to go offline this week, raising the very real possibility that should a giant solar flare occur, the disruptions of media broadcasts as well as consumer and military communications dependent on satellites could rise sharply.
The evolutionary path from simple microbe to complex forms, on Earth or anywhere in the universe, is long, gradual and very Darwinian, according to a new experiment conducted with an "alien form of life" in a virtual petri dish.
After a long trip across the galaxy, cosmic rays could be employed to find contraband nuclear material hidden in cars, trucks or large ocean-going containers, using a clever new device developed by astrophysicists and national security experts.
Researchers have determined, with the assistance of US military satellites, that the risk of Earth being struck by a killer asteroid is less likely than previously believed.
Civilization faces an urgent need to develop space-based power generation systems that would beam energy to the planet from satellites that would shine like "golden apples" in the night sky, according to a large team of scientists.
U.S. Defense Department satellites have confirmed that an asteroid struck a remote region of Siberia.
Supermassive black holes act like massive electric motors, generating untold amount of energy that is converted into magnetic fields that radiate up to ten million light-years into space. This power is what its discoverers say is the most dominant source of free energy in the universe.
NASA's 2003 budget does not include funding for its Orbital Debris Program Office, which monitors space junk that could damage or destroy satellites and other spacecraft. If funding is not restored by the end of September, the program will cease operations Oct. 1.
When Earth is next hit by an asteroid, the impact may well be a double whammy, which might in turn be blamed on Earth itself. A new study estimates that 16 percent of asteroids that roam the region of space shared by Earth's orbit are actually double asteroids, called binaries. And researchers say these pairs may have been created by the rending effect of Earth's gravity, thought to tear asteroids apart when they make close approaches to the planet.