In 2015 ASASSN-15lh gained fame as the most luminous supernova ever discovered. Almost a year later and against all odds, the supernova has rebrightened.
The European Space Agency is opting to send its first rover to the Red Planet two years later than originally planned.
Even though Kepler’s primary mission ended three years ago, the data it collected just revealed a mother lode: 1,284 newly confirmed planets.
Jupiter shines bright 41 light-minutes from Earth, and Mars is nearing opposition (on May 22nd). Both shine bright on opposite sides of the sky in the evenings.
An old friend from winter returns for an encore in the morning sky. Already visible in binoculars, Comet PanSTARRS (C/2013 X1) may reach naked-eye visibility in June.
Sky & Telescope’s astronomy podcast takes you on a guided tour of the night sky. Watch for Mars and Saturn near Scorpius before dawn and Jupiter near Leo after sunset.
Don’t have any weekend plans? You do now! Join your local amateur astronomy community in celebrating Spring Astronomy Day.
May 9th’s transit of Mercury is now history. Countless amateurs – and professionals – watched as the innermost planet had its day in the Sun.