Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Though our cosmic backyard brims with planets, few seem fit for ...

The first week of March will conclude with a celestial meet-up of the smallest and largest planets in the solar system, but it will only be visible to those up well before daybreak and under a ...

Astrophysicists discovered that an exoplanet is covered with so many active volcanoes that seen from a distance it would take on a fiery, glowing-red hue. UC Riverside astrophysicist Stephen Kane had ...

Mars’s atmosphere has a green glow, much like the Northern and Southern lights on Earth. Researchers predicted four decades ago that Mars’s atmosphere should emit green light, but it has proved ...

Turns out the Red Planet is a little more green than we thought. The ExoMars Trace Gas Orbiter (TGO) has detected a tinge of green in the atmosphere, making it the first time this aurora-like glow has ...

A massive glowing "rogue" planetary-mass object has been discovered, surprising scientists with not only its size, but also the fact it's not orbiting a star. The object, named SIMP J01365663+0933473, ...

A lava world reaching 3,200°F still holds an atmosphere, challenging what scientists thought extreme planets could survive.