SCIENTISTS have stumbled across a new Super-Earth that orbits inside its star’s habitable zone with a new alien-hunting tool. Searching for Earth-like planets – and Earth-like life R… ...

A NEW Earth-sized planet has been discovered in a faraway constellation – and it would kill any astronaut who dare travel there. Some 117.4 light-years away from Earth, scientists have stumbl… ...

The planet, Ross 128 b, is Earth-sized and is now the second-closest to Earth in temperature. The closest is Proxima b, located around Proxima Centauri, 4.2 light-years from Earth.

Earth Day is on April 22. Here’s how to invest sustainably, and other ways to help the planet. The 2025 Earth Day theme is “Our Power, Our Planet.” It urges everyone to “unite around ...

Beginning at noon on Feb. 18, audiences will be able to watch a marathon of original Planet Earth episodes, as well as an hour-long documentary, Planet Earth II: The Making Of at 8 p.m. ET/PT.

Earth is approaching a critical moment in the future habitability of the planet. Credit: NASA images by Reto Stöckli, based on data from NASA and NOAA ...

Planet Earth II has already aired in the U.K. to record-breaking results. “It was the most-watched wildlife documentary for 15 years,” said White.