A high-resolution video of the transit of Mercury captured by the Big Bear Solar Observatory in California
Astronomy
Astronomy
Astronomy
Relive the transit of Mercury!
Courtesy of Slooh, you can see the innermost planet make its way across the Sun
Astronomy
Watch the transit of Mercury LIVE!
Courtesy of Slooh, you can see the innermost planet make its way across the Sun
Space Exploration
How are TESS and the JWST different?
What are the key differences between two of NASA’s yet-to-be-launched missions?
Deep Space
How do we know Kepler-78b is a planet?
How do we know for sure that this distant world is an exoplanet and not a comet or an asteroid?
News
Triple habitable zone planet discovery: “It is fair to assume that most habitable zone planets will be in these compact systems,” says expert
The discovery of three super-Earths all stuffed into the habitable zone of a red dwarf star in a triple star system may turn out to be quite common, experts suggest.