Rosetta Update: Philae Landed in a Hole
Though the exact location of Philae’s landing site remains unknown, the site’s topography might allow the lander to operate longer than planned. Meanwhile, Rosetta is detecting organics on its comet.
Watching a Quasar Shut Down
Over the course of ten years, a once-brilliant quasar seems to have stopped gobbling down nearby gas.
This Week’s Sky at a Glance, December 26 – January 3
The waxing crescent Moon stars in the evening sky this weekend. After the cheering quiets on New Years’ Eve, look for Sirius and Orion high in the sky.
Have a Sirius-ly Scintillating Holiday!
Alongside bows and ribbons, Sirius adds a touch of celestial sparkle to the holiday season. Find out what makes it twinkle so.
What To See With Your New Telescope
Did you get a new telescope for the holidays, or do you know someone who did? Read our advice for how to learn your way around your telescope and your sky.
Help Name Mercury’s Craters
The International Astronomical Union is hosting a public contest to name five of Mercury’s craters, with a deadline of January 15.