New research suggests Earth was once a purple planet. Early microbes used retinal, not chlorophyll, for photosynthesis.
"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey ...
Roughly 300,000 years ago, our species first appeared on the African landscape before spreading globally and coming to ...
Explore Ceres, the largest asteroid in our solar system, and discover its remarkable ancient ocean and ice-rich crust.
Five years ago, NASA provided an updated version of the Pale Blue Dot. JPL engineer Kevin M Gill reprocessed the image with modern tools but following the original approach, even receiving inputs from ...
The 1990s was filled with swoon-worthy heartthrobs. From Keanu Reeves to Josh Hartnett, here's which of your '90s crushes is ...
On this day 35 years ago, NASA's Voyager 1 spacecraft took a picture that changed how we see our planet. The iconic "Pale ...
Jupiter has been high in the sky in the evening lately, and that stirred a memory of the first time I ever saw Jupiter ...
The zodiacal light shines in the evening as the Moon reaches Last Quarter and skims past Spica and Antares in the sky this ...
Scientists say the threat of a newly discovered asteroid has risen slightly in the past few weeks as the world's telescopes ...
Asteroids that orbit close to the Earth inevitably cause us some anxiety due to the even remote possibility of a collision.
From supermoons to a total eclipse to the national park’s biggest and best-attended star parties, these are the must-see celestial shows of the year ...