A Beautiful Trifid
The beautiful Trifid Nebula is a cosmic study in contrasts. Also known as M20, it lies about 5,000 […]
Science
Mammatus Clouds over Saskatchewan
When do cloud bottoms appear like bubbles? Normally, cloud bottoms are flat. This is because moist warm air […]
The Black Reporter Who Exposed a Lie About the Atom ...
Charles H. Loeb defied the American military’s denials and propaganda to show how deadly radiation from the strike […]
Fire in Space
What does fire look like in space? In the gravity on Earth, heated air rises and expands, causing […]
Perseus and the Lost Meteors
What’s the best way to watch a meteor shower? This question might come up later this week when […]
A Perseid Below
Earthlings typically watch meteor showers by looking up. But this remarkable view, captured on August 13, 2011 by […]
Jezero Crater: Raised Ridges in 3D
Get out your red-blue glasses and hover over the surface of Mars. Taken on July 24, the 3D […]
New data suggest J. & J. vaccine works against Delta ...
The study is the first real-world test of the vaccine’s efficacy against Delta, a highly contagious variant of […]
Stars and Dust Across Corona Australis
Cosmic dust clouds cross a rich field of stars in this telescopic vista near the northern boundary of […]
Tycho and Clavius
South is up in this detailed telescopic view across the Moon’s rugged southern highlands. Captured on July 20, […]