LATEST NEWS
Meet ʻOumuamua, the Interstellar Cigar
Rapid-response observations by major observatories shows that the first-known interstellar visitor is 10 times longer than it is wide. Read more…
NASA Joins Japanese Mission to Martian Moons
NASA is developing a key instrument for a daring mission to the Martian moons, Phobos and Deimos, including a sample return from Phobos. Read more…
OBSERVING HIGHLIGHTS
This Week’s Sky at a Glance, November 24 – December 2
Learn what’s in the sky for the week of November 24 – December 2. This week’s full Moon is the closest of the year. Read more…
Invite Ross 128 Over This Thanksgiving
With exoplanet Ross 128b in the news, we pay a visit to the star that sustains this potentially habitable exoplanet. Read more…
Tour November’s Sky: Predawn Planets
As you’ll hear in this month’s astronomy podcast, Venus and Jupiter are putting on quite a show low in the east before dawn. Read more…
Gifts for the Astronomer: Top Editors’ Picks
Searching for that perfect astronomy-themed gift for a friend or loved one? Look no further, we’ve got you covered, with globes, atlases, calendars, and much more! Read more…
Simple Formulas for the Telescope Owner
How to calculate what you need to know about your telescopes, oculars, and binoculars. Read more…