The model we have for understanding the universe’s fundamental particles is a bit like a gearbox: one tiny change to any one single particles’ properties … Read more
Evolution of early life artist’s concept. Diverse life forms may have evolved earlier than previously thought. Diverse microbial life existed on Earth at least 3.75 … Read more
A gigantic comet is actually the largest ever seen, new observations by the Hubble Space Telescope confirm. Stretching about 80 miles (129 kilometers) across, the … Read more
In this illustration, the multilayered sunshield on NASA’s James Webb Space Telescope stretches out beneath the observatory’s honeycomb mirror. The sunshield is the first step … Read more
Throughout human history, comets have been seen as intensely meaningful, and as such have been the subject of intense study from ancient philosophers, priests, astrologers … Read more
Enlarge / Artist’s illustration of NASA’s Psyche spacecraft, set to launch in August 2022. The Psyche mission will explore a metal-rich asteroid of the same … Read more
The early human species Homo heidelbergensis (skull shown) might have been able to spread across Earth because wetter, more migration-friendly weather conditions arose, according to … Read more
STORY WRITTEN FOR CBS NEWS & USED WITH PERMISSION NASA’s Space Launch System moon rocket on pad 39B. Credit: NASA/Ben Smegelsky NASA restarted a two-day dress-rehearsal countdown … Read more
Artist’s conception of the Kepler Space Telescope observing planets transiting a distant star. On October 30, 2018, NASA announced that Kepler ran out of fuel … Read more
China is planning its first space mission to survey the skies for exoplanets similar to Kepler-186f, an Earth-size planet orbiting a distant star (artist’s impression). … Read more