Lurking further from its stars than Neptune is from the Sun, this is no inner planet, but it’s on a scale we recognize, ...

Our Sun is about halfway through its life, which means Earth is as well. After a star exhausts its hydrogen nuclear fuel, its ...

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 ...

Planet BD+054868Ab is one of only four known disintegrating planets, worlds close enough to their star that they end up being roasted and torn apart. But this little world is unique in the extent of ...

In “Citizen Science in Astronomy (Part 7),” SETI Institute astronomers Dr. Franck Marchis and Dr. Lauren Sgro highlight two rare and compelling discoveries and the crucial role of citizen scientists ...

Scientists have observed a “rogue planet” that is growing at an alarming rate as it gobbles up six billion tons of gas and dust every second, a new paper revealed. The newly studied object, formally ...

A team of scientists at the Institute for Advanced Study School of Natural Sciences in Princeton, New Jersey, might have found a new dwarf planet, potentially leading to more evidence of a theoretical ...

This week's science news was led by a spate of climate stories that were as worrying as they were fascinating. Topping the bill are microbes that were woken up after lying frozen in the Alaskan ...

"Every new result can reshape our understanding of planets, their habitability, and our place in this universe." When a planet is born from swirling pockets of molecular gas and dust that surround a ...

On the steps of the U.S. Capitol on a balmy October morning, a crowd of people sporting “Save NASA Science” buttons buzzes with anticipation. Among them stands Eli Orland, who likens America’s space ...

Skywatchers who spotted the Jupiter-Venus conjunction on Aug. 12 are in for a dazzling display in the night sky through the end of August, with a "planet parade" building in the eastern sky, with ...