What makes the biggest planet so massive? Elon Musk's "No Kings" post goes viral Maddow Blog | ‘No Kings’ protests, special election results leave no doubt about the backlash to Trump Photos: A ...

Researchers believe that 2017 OF201’s highly eccentric orbit points to a chaotic origin, possibly caused by a gravitational ...

Scientists have discovered a giant planet orbiting a tiny red dwarf star, something they believed wasn t even possible. The ...

With its low density and unusually cool, methane-rich atmosphere, this planet offers a rare window into giant planet ...

Whether it's investigating the financials of Elon Musk's pro-Trump PAC or producing our latest documentary, 'The A Word', ...

A recent study found that Jupiter was once twice the size that it is now, making it big enough to swallow up 2,000 Earths.

Astronomers discover giant gas planet TOI-6894b orbiting a tiny red dwarf, rewriting what we know about planet formation.

Star TOI-6894 is just like many in our galaxy, a small red dwarf, and only ~20% of the mass of our sun. Like many small stars ...

Scientists have discovered a giant planet called TOI-6894b, orbiting a star that should be far too small to have formed it. The discovery could further challenge theories of planet formation.

It had not been thought possible that such tiny, weak stars could provide the conditions needed to form and host huge planets ...

"This is the 5th largest planet in our solar system, lurking out there, waiting to be found," the Caltech astronomer says. For about a decade, he and other researchers have been trying to prove ...

Astronomers found a giant planet orbiting one of the smallest stars ever known to host one, challenging everything we thought ...