EVANSTON, Ill. — Except for the fact that we call it home, for centuries astronomers didn’t have any particular reason to believe that our solar system was anything special in the universe. But, ...

Astrometry uses the shift in a star’s position on the sky relative to other stars to infer the existence of orbiting planets. The movement of the extrasolar planet AF Lep b (white spot at about 10 ...

The orbital sampling effect (OSE) appears in phase-folded transit light curves of extrasolar planets with moons. Analytical OSE models have hitherto neglected stellar limb darkening and non-zero ...

An international team of professional and amateur astronomers, using simple off-the-shelf equipment to trawl the skies for planets outside our solar system, has hauled in its first “catch.” The ...

An international team of astronomers released the largest-ever compilation of exoplanet-detecting observations made using a technique called the radial velocity method. They demonstrated how these ...

The first images of an extrasolar radiation belt were obtained by combining 39 radio telescopes to form a virtual telescope spanning the globe from Hawaii to Germany. (Image credit: Melodie Kao, Amy ...

"Of the other small planets like Earth that are out there, which of them have Jupiter siblings? Because this might be an important characteristic to look for, if we want to figure out where to find ...

An international team of astronomers has discovered an exoplanet that could be completely covered in water. An international team of researchers led by Charles Cadieux, a Ph.D. student at the ...

Radiation belts are doughnut-shaped magnetic structures enveloping a planet that are filled with extremely high-energy electrons and charged particles. Originally discovered first around Earth in 1958 ...

We have detected only one transiting planet that has a mass below 10 Earth masses. This world, CoRoT-7b (named after the European Convection, Rotation and planetary Transits satellite) has a radius ...