PARIS — The Milky Way is home to far more planets than previously thought, boosting the odds that at least one of them may harbour life, according to a study released Wednesday.
WASHINGTON — Fewer giant asteroids are out in space than once thought and most of the biggest near-Earth asteroids have been found, leaving little threat of one smashing into the planet, NASA said Thursday.
WASHINGTON — The planet closest to the Sun had plenty of its own heat to release billions of years ago and erupted in vast river-like volcanoes that oozed around its northern pole, said a study out Thursday.
PARIS — Imagine being caught in a thunderstorm as wide as the Earth with discharges of lightning 10,000 times more powerful than normal, flashing 10 times per second at its peak.
LONDON (AFP) – If alien geologists were to visit our planet 10 million years from now, would they discern a distinct human fingerprint in Earth's accumulating layers of rock and sediment?
PARIS (AFP) – Scientists on Wednesday said they could explain why heat-seared giant planets in other solar systems can mysteriously orbit their star the "wrong" way.