German astronomer Johannes Kepler made sketches of sunspots in 1607 from his observations of the sun’s surface — and centuries later, the pioneering drawings are helping scientists solve a solar ...

AMES, Iowa – An international team of astronomers has used nearly three years of high precision data from NASA’s Kepler spacecraft to make the first observations of a planet outside our solar system ...

Team "pro-exomoon" is back to defend the discovery of the first and only exomoons potentially seen by humanity. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

How many exoplanets are in the cosmos and what can they tell us about planetary formation and evolution? This is what a recent study published in The Astronomical Journal hopes to address as an ...

Scientists have discovered a distant solar system very much like our own, in which the orbits of all known planets lie in nearly the same plane and are aligned with the star's rotation. In recent ...

NASA’s Kepler observatory should be able to detect planetary moons – yet to be discovered – formed by far-away planetary collisions outside our Solar System, research by Amy Barr of the Planetary ...

NASA’s Magnetospheric Multiscale Mission has uncovered surprising behavior of pickup ions drifting through the solar wind ...