February brings a rare planetary parade, with five bright planets in clear view and a special alignment of Mercury and Saturn ...
Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...
A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...
Certain extreme planets are called ultra-short period objects if they're very close to their stars and orbit them in mere hours, like K2-22b.
Astronomers have made a groundbreaking discovery in the WASP-132 system, finding two new planets that defy previous ...
From January to March, the night sky will host a spectacular parade of planets featuring Venus, Mars, Jupiter, Saturn, Uranus ...
If it’s real, some may question whether something with a mass about three times Pluto’s counts as a planet at all.