Scientists have known for many years that asteroids often follow planets, moving in the same orbit around the sun. These so-called "Trojan asteroids" have been spotted tagging alongside Jupiter, Mars, and Neptune.
Earth, however, was believed to be free of these celestial stalkers — until now. Astronomers from Athabasca University in Canada, using data from an infrared NASA telescope that's orbiting the Earth, discovered an asteroid tracking us from just 50 million miles away.
Earth is pushing the moon away faster now than it has for most of the past...
After more than 15 years of failures by scientists around the world and one outright fraud,...
A survey of thousands of peer-reviewed papers in scientific journals has found 97.1% agreed that climate...
