Astronomers have confirmed that the star J1407 seems to have a companion with a gigantic ring system, inside which an “exomoon” might be forming.
The long-awaited analysis of spiral polarization patterns called B-modes affirms that these signals, purportedly from the universe’s early spurt of inflationary growth, are probably from dust in our galaxy instead.
Thanks to the help of the general public, astronomers have discovered a new signature marking a hidden phase of star formation.
Bright Venus and faint little Mars inch closer together every evening as the approach their February 21st conjunction. Orion reveals his splendors high in the southeastern sky after dusk.
The ethereal zodiacal light returns to view this month. Learn how to see and photograph it with your digital camera.
Some of the prettiest nighttime sights involve the close pairing of two solar-system bodies, and February features events with the Moon and Jupiter, then Venus and Mars.
Watch a Kavli Foundation Q&A with two astrobiologists who discuss the search for life beyond Earth.