Explore the heavens with today's tools like the Hubble and other space-orbiting telescopes.
Apollo 11's Lunar landing is a dangerous mission without alarms going off. Getting close to the Moon's surface, the astronauts receive a program warn...
This image, as described by NASA, depicts “NGC 6302: Big, Bright, Bug Nebula.”NASA’s Astronomy Picture of the Day website tells us m...
The Bubble Nebula - NGC 7635 - is known as a “space bubble.” What created this space bubble? To answer that question, let’s ch...
Meet the Cassini-Huygens spacecraft, built for a soon-to-end mission to Saturn. Cassini is the orbiter; Huygens is the probe.
This artist's conception depicts a view of how it may appear as the Cassini-Huygens spacecraft orbits Saturn.
Charles Messier created a catalog of "objects" in the sky which professional and amateur astronomers still use.
This drawing might seem a bit simplistic because it merely describes the main parts of a much-more complicated object. What we see here are the main p...
The Catholic Church bans Nicolaus Copernicus's book on the 5th of March, 1616 (decades after his death). Why ban a book which Catholic Universities ha...
Celebrating 2000 Martian days of exploring the Red Planet, Curiosity is a moving science lab, considerably different from "Spirit" and "Opportunity" b...
How did Earth Day start? When was the first Earth Day? How did it become a global phenomenon? Take a look at Earth Day, then and now.
During the recent solar eclipse, scientists further tested Einstein's famous theory (which resulted from a thought experiment leading to the concept o...
Is math the world's universal language? Can we understand the natural world by using math? Discover the stories behind five "beautiful equations."
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