Small telescopes in Chile are first on Earth to cut through the cosmic noise, peering back more than 13 billion years to the ...

But the rare cosmic event actually occurred 8.5 billion light years away from Earth, when the universe was just a third of its current age — and it has created more questions than answers.

Astronomers have discovered a “super-Earth,” or a world larger than our planet, orbiting a star about 137 light-years away. A second planet, thought to be the size of Earth, may also be ...

UK researchers have confirmed the existence of a “super-Earth” located 20 light-years away that could reveal the existence of extraterrestrial beings, per a cosmic study published in the ...

NASA announced the discovery of a planet 40 light years from Earth that orbits every 12.8 days and is possibly even habitable. “We’ve found the nearest, transiting, temperate, Earth-size world ...