Earth

Scientists discover first evidence of 4.5-billion-year-old ‘proto-Earth’ buried deep within our planet

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Scientists discover first evidence of 4.5-billion-year-old ‘proto-Earth’ buried deep within our planet

Future and its syndication partners may earn a commission when you make a purchase through links to our articles. An artist’s illustration shows a molten Earth. Ancient rocks from Greenland, Canada and Hawaii preserve a rare chemical fingerprint that may be from this protoplanet, a new study suggests. . | Credit: Stocktrek Images/Getty Images. Scientists … Read more

Here’s how to see a rare green comet this week

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Here’s how to see a rare green comet this week

This week, Earth gets a front-row seat to one of the oldest relics in the Solar System. October 21 Comet C/2025 A6 (Lemmon) will make its closest approach to Earth in its first and only appearance in more than a thousand years. “Comets are very common, but Comet Lemmon is really the best comet to … Read more