New Horizons’ principal investigator describes the most amazing discoveries made when NASA’s New Horizons spacecraft flew past Pluto last July.
An innovative Earth-observing satellite now shows near-daily views of our home planet online.
New research connects pulsations in aging stars to their inner, unobservable magnetic fields.
Astronomers have detected debris around a white dwarf that might be from one or more disintegrating rocky bodies.
We’ll see a waning gibbous Moon this Halloween, and Daylight Saving Time ends the day after, making for earlier evenings (and skygazing!). And don’t miss Venus’s approach to Mars in the predawn hours.
Who says you need a telescope to see craters on the Moon? Here’s how to find a half-dozen with just the naked eye.
The recently discovered asteroid 2015 TB145 won’t come especially close to Earth on October 31st, but it’s big enough to be seen in medium-size backyard telescopes.
Bright planets are putting on a stargazing show in the predawn sky, and evenings feature a mythical horse flying upside-down across the sky.
A group of about 40 intrepid souls from the U.S. and Australia hits paydirt on a tour of Iceland.