“It’s a chemical signature no ordinary, ‘first-generation’ planet should carry, which told us that this new planet was ...

Scientists discovered first-of-its-kind evidence of a possible second-generation planet around a white dwarf star some 270 ...

The binary star system 70 Oph AB can be seen near the center of this image. (US Naval Observatory) Planets with two suns have ...

Scientists detected the very first exoplanets around a pulsar — a type of rapidly rotating dead star — and because pulsars ...

Astronomers using NASA’s James Webb Space Telescope have spotted what could be a giant planet orbiting Alpha Centauri A, the nearest Sun-like star to Earth and part of the closest stellar system to ...

Astronomers spotted a potential Earth-size rocky world orbiting a white dwarf, suggesting a future in which our planet outlives its star. By Jonathan O’Callaghan In six billion years the sun will ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A “planet parade ...

Forbes contributors publish independent expert analyses and insights. Leslie Katz covers the intersection of culture, science and tech. A yellowish-orange glow bathes Phainoterra, a planet of dramatic ...

About 4.6 billion years ago, a celestial cloud collapsed, paving the way for our solar system to form. Then, a nebula with strong gravitational pull took shape, kick-starting the birth of the sun. But ...