The waxing crescent moon pairs up with the faint planet Uranus on February 17, flits by the red planet Mars on February 18, and then joins up with the red star Aldebaran on February 19.
Arcturus is one of the easiest stars to find. Late at night in February - earlier as the months pass - just locate the Big Dipper in your northern sky. Then follow the arc in the Dipper's handle to find yellow-orange star Arcturus.
Until recently, magnetic fields in the outskirts of galaxies were too faint to be detected. Although it's still not clear what causes them or how they're maintained, astronomers have started to create images of their observations of galaxies' magnetic fields producing beautiful aurora-like effects. See them here.
Far-northern skywatchers sometimes travel southward in winter, for a glimpse of Canopus - the sky's 2nd-brightest star - above the southern horizon. Can you see it? Details here.
Astronomers have spotted “something” near Alpha Centauri A, in the star system nearest our Earth and sun. If it turns out to be a planet, it'll be the first time a planet has been directly imaged within the habitable zone of a star.
No fatalities were reported in the February 13, 2021, strong earthquake in Japan, which occurred off Japan's east coast, near the epicenter of the 2011 9.0-magnitude Tohoku earthquake.
2021 has brought a deadly avalanche season. "We're only halfway through the season and we're 3/4 of the way to the number of fatalities we'd see in a typical year. The dangerous, record-breaking year keeps avalanche forecasters up at night," one expert said.