Browsing: astronomy

We have an idea of what the solar system’s past was like: It was violent and chaotic. However, we are…

Nature abhors a vacuum, so the saying goes, but nobody told the universe. Space is filled with cosmic voids—vast regions…

look up! Asteroid 2026 JH2 is now approaching Earth; the object, which is about 20 meters (66 feet) in diameter—comparable…

In mid-April, astronomy enthusiasts will be able to enjoy one of the classic celestial spectacles. The meteor shower known as…

Let’s use our car again, but this time we’ll get real numbers from the accelerometer in our smartphone. Say we…

Comet 3I/Atlas is now heading out of the solar system and into interstellar space, but scientists are still analyzing the…

Out beyond the orbit of Neptune lies an expansive ring of ancient relics, dynamical enigmas, and possibly a hidden planet—or…

The Center for High Angular Resolution Astronomy (CHARA Array) at Georgia State University has generated detailed images of the early…

There’s no denying the allure of alien artifacts. Science fiction is awash in the material remnants of extraterrestrial civilizations, which…