The knot of bright winter constellations reaches its highest point in the south during the mid-evening hours of February. Most recognizable is Orion, with his glowing sword hanging below the three ...

Pairs of planetary-mass objects, floating freely in space, intrigue scientists with their nature and origin. With masses comparable to that of Jupiter, these entities are often observed in young star ...

NASA's Juno spacecraft has been orbiting Jupiter since July, 2016. But only just recently have scientists had a chance to analyze all of its data — and the results are painting a different ...