Black holes: seeing the unseeable
New technology will reveal the event horizon – direct evidence that black holes exist.
Animation shows the energetic region near a massive object”s point of no return.
New Horizons flies past Jupiter
Bound for Pluto, the New Horizons spacecraft gets the closest look at Jupiter and its moons in 4 years.
Follow NASA”s New Horizons mission as it whisks past Jupiter.
The Big Bang + 1 second
Scientists are trying to find the torrent of neutrinos unleashed following cosmic genesis.
Explore a dozen must-see galaxies
Venture off the beaten path to observe twelve extragalactic gems Messier missed.
Northern California observer Steve Gottlieb lists more than a dozen targets awaiting you at the eyepiece.
Observe the sky’s most colorful double stars
You’ll have no problem seeing these celestial beauties through a small telescope, even through haze and light
An easy guide to astro-speak
If you’ve ever wondered about some of the terms astronomers use, here’s an illustrated guide.
Orion’s new 4-inch powerhouse
The 100ED EQ-G’s high-quality optics provide plenty of great sky views at a price that doesn’t break the bank.
This month in Astronomy
Bob Berman’s strange universe
Glenn Chaple’s observing basics
Phil Harrington’s binocular universe
The Lion’s roar
Stephen James O’Meara’s secret sky
The sky this month