Diverse underground ecosystems buried deep beneath the Earth's crust may offer clues to the origins of life on Earth, several recent studies have revealed.
A closely tracked asteroid, about 150-feet (45-meters) wide, whizzed safely past Earth on Friday, the same day a much smaller, previously undetected meteor hit Russia.
NASA is keeping close tabs on a sizable asteroid set to whiz past our planet Friday in what the US space agency says is the closest flyby ever predicted for such a large object.
The United States launched its latest Earth observation satellite Monday, enhancing an array of orbiting eyes that help with everything from climate change study to urban planning.
Scientists said Thursday they are a step closer to proving the death blow for dinosaurs 66 million years ago was a gigantic comet or asteroid that struck near Mexico.
Hold on to your hats: an asteroid will zoom within spitting distance of Earth next week, in what NASA said Thursday is the closest flyby ever predicted for an object this large.
Before the creation of the Earth, there was only silence and darkness, only the sky and the sea until the deities Tepeu and Gucumatz created trees, animals and man -- so says the Mayan holy book.
The World Bank warned Sunday that global temperatures could rise by four degrees this century without immediate action, with potentially devastating consequences for coastal cities and the poor.
Efforts to reverse the worrying loss of Earth's dwindling natural resources received a substantial boost on Saturday when a UN conference in India agreed to double biodiversity aid to poor countries.
Long spared because of their remoteness, the high seas have become an important hunting ground for fish trawlers and oil prospectors, putting at risk many marine species that call these waters home.
A university study that claimed fracking for gas deep beneath the Earth's surface did not cause water contamination was led by a US professor with financial ties to the gas industry.