Planetary system's second Earth-size world discovered. ScienceDaily . Retrieved July 25, 2025 from www.sciencedaily.com / releases / 2023 / 01 / 230110151046.htm ...

Our planet has a celestial sentry leading the way around the sun, and it’s only the second Earth Trojan asteroid ever discovered. Astronomers observed asteroid 2020 XL5 using the Southern ...

Scientists studying data from the Alpha Centauri star system on Wednesday announced what they believe is a second Earth-like planet orbiting the star closest to … ...

NASA discovery of planet remarkably like ours gives hope for 'second Earth' Amanda Kooser Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET.

The planet, dubbed Kepler-22b, has a radius 2.4 times that of Earth and is 600 light years away, according to NASA. It's the first planet confirmed to be in a "habitable zone," a region around a ...

NASA announced a major milestone in the quest for life in the universe Monday: The discovery of another planet close enough to the sun it orbits to potentially support life. Called Kepler-22b, the ...

While Earth’s second moon may be temporary, its presence opens up new avenues for research and discovery. As we continue to scan the skies, ...

NASA previously discovered three planets in the same system. Scientists from NASA announced Tuesday that they discovered an Earth-size planet orbiting its star's habitable zone. Called TOI 700 e ...

On July 23, 2015, NASA announced the discovery of the first truly Earth-like planet. This find comes thanks to the Kepler Space Telescope , which was launched in March of 2009 and has been planet ...

Like Earth, it’s made of rock. “This is a historic discovery,” said Geoff Marcy of the University of California, Berkeley, at a press conference introducing the new planet. (See pictures of ...

With half the mass of Earth, the newly discovered planet is one of the lightest among the nearly 5000 exoplanets known today. ... GJ 367 b therefore cannot be considered a ‘second Earth’.