Astronomers have identified a quartet of small rocky planets orbiting Barnard's star - one of our closest stellar neighbors - ...
Whether aliens could detect our modern civilization depends on what signs they’re looking for—and, crucially, their distance ...
WASHINGTON >> Astronomers have identified a quartet of small rocky planets orbiting Barnard’s star - one of our closest ...
Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar ...
Early in our Solar System’s history, bits of icy debris were scattered and then gradually coaxed into a spiral alignment in ...
Astronomers have discovered a panoply of new moons orbiting Saturn, bringing the ringed gas giant's total up to 274 moons—far ...
A newly identified Kuiper Belt trio, possibly only the second of its kind, could provide strong evidence that these distant ...
The night sky offers us a variety of spectacles throughout the year, but for the remainder of the month, we have front-row seats to see—not one or two—but seven planets at once.
A stunning planet parade is now visible in the night sky. A planet parade is when several of our solar system's planets are ...
That's not just because it's too far away. In 2006, the International Astronomical Union (IAS) reclassified Pluto as a dwarf planet. That decision came several years after discovering the Kuiper ...
The other two planets are too far away to be seen without binoculars or a telescope. Uranus is about two fists west of Jupiter, Mr. Willmitch said, while Neptune is hiding between Venus and the ...