MAVEN Makes It to Mars
NASA’s latest interplanetary spacecraft has settled into orbit around the Red Planet. Its year-long scientific scrutiny could reveal how and why Mars lost so much of its primordial atmosphere.
India’s Mars Orbiter Mission Arrives Safely
On September 24th, after a convoluted, 10-month, 400-million-mile flight, India’s first-ever interplanetary explorer fired braking rockets and slipped into orbit around the Red Planet.
Dust Makes Cosmic Inflation Signal Iffy
A new analysis of Planck data provides the best measurements ever made of polarized dust emission across the sky – and bolsters the claim that the signal heralded as evidence for cosmic inflation is from dust instead.
The 2014 Autumnal Equinox Arrives
What is the “fall equinox” — and how do we know when it happens?
How to Never Miss an Aurora
Learn exactly how and when to expect the next display of the northern lights with a few easy-to-use online tools.
Tour September’s Sky: Farewell to Saturn
The astronomical calendar says autumn arrives on September 22nd. It’s a season of transition, with plenty of celestial comings and goings in the evening sky.
Wake Up to a Total Lunar Eclipse on October 8, 2014
Start your day with an eclipse of the full Moon! On the morning of October 8, 2014, a total lunar eclipse will be visible across most of North America.
This Week’s Sky at a Glance, Sept. 26 – Oct. 4
Sky & Telescope’s weekly celestial-events calendar, with sky views, offers selected astronomy sights for your unaided eyes, binoculars, or a telescope.
Exotic Cruise to See the 2016 Solar Eclipse
In partnership with InSight Cruises, Sky & Telescope offers you a golden opportunity to witness the spectacular beauty of the March 9, 2016 total solar eclipse in the western Pacific aboard the Holland America liner ms Volendam.