What would it take for Jupiter to ignite and become our second sun? What if Jupiter gained just a little bit more mass during ...

How did hot Jupiters end up orbiting so close to their stars, thus earning their moniker? This is what a recent study ...

Meteor showers, eclipses, a planetary parade and 13 full moons will be visible in the night sky in 2026. Here’s when to see them.

A newly discovered exoplanet is rewriting the rules of what planets can be. Orbiting a city-sized neutron star, this ...

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

Fourth anniversaries aren’t often causes for celebration. But in the case of the James Webb Space Telescope (JWST), which ...

Hot Jupiters, the blisteringly close cousins of our own Jupiter, were once treated as cosmic misfits. Now their orbital patterns are turning into a kind of forensic record, revealing how these giants ...

Astronomers are scratching their heads at the odd chemistry, which hints at soot clouds and possibly diamond formation deep ...

A new timing-based method reveals that some hot Jupiters followed a calm, disk-driven path toward their stars rather than a chaotic one. Their orderly orbits and stable planetary neighborhoods ...

Astronomers reveal some hot Jupiters formed via smooth disk migration. (Image: Graduate School of Arts and Sciences/College of Arts and Sciences/The University of Tokyo) Astronomers have uncovered new ...

The first exoplanet ever discovered in 1995 was what we now call a "hot Jupiter," a planet as massive as Jupiter with an orbital period of just a few days. Today, hot Jupiters are thought to have ...