The Planetary Health Check is a key monitor of earth's vital signs—and will guide action for a more sustainable world.

Not every large object in space forms part of a solar system. There are some big objects that exist in isolation in space, without either being a star or orbiting one. One of these, SIMP 0136, wanders ...

I’m a planetary scientist who was born the year of Sputnik’s launch. Over the course of my 40-year career, I’ve witnessed not one but at least five separate revolutions that fundamentally transformed ...

WASHINGTON, April 22 (Reuters) - Astronomers have spotted a small rocky planet that orbits perilously close to its host star disintegrating as its surface is vaporized by stellar heat, trailed by a ...

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 ...

A possible cousin of Pluto seems to be circling the far reaches of the solar system. The dwarf planet candidate 2017 OF201 travels in a superwide orbit, with the sun relatively near one end of its ...

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For centuries our solar system was the only planetary system known to humans. We had no proof other worlds existed beyond those in our own cosmic backyard, and we imagined that if other planetary ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. The outlook isn’t great for the exoplanet HIP 67522 b. Over the ...

Astronomy enthusiasts and casual skywatchers alike have a reason to look up this February. On the evening of February 28, a ...

One of the coolest celestial events is happening this week, where six planets will be visible in the night sky at the same time. This phenomenon, known as a planet parade, occurs only a few times each ...