The newcomer replacing Pluto presently goes by “Planet Nine.” If and when it finally shows up, it will get the honor of a ...

Monoculars offer a highly portable option for powerful stargazing wherever you are. Our handy guide will help you use them to spot objects in the night sky. Monoculars are basically a half pair of ...

Use your digital camera and a spotting scope to capture up-close images of faraway subjects — without breaking the bank. When you purchase through links on our site, we may earn an affiliate ...

For his next trick, your cosmic correspondent for the past quarter-century will (try to) retire. By Dennis Overbye As the day shrinks into its annual darkness, here’s what I know about the ...

Galaxies in the early universe tend to be clumpy, but the new JWST discovery of a "grand design" spiral galaxy just 1.5 billion years after the Big Bang has scientists stumped. When you purchase ...

The end of 2024 is approaching, marking another full loop around the sun for our planet. So Scientific American is here to celebrate with nine of our favorite space-related images from the year ...

NASA has a long history of translating astronomy data into beautiful images that are beloved by the public. Through its Chandra X-ray Observatory and Universe of Learning programs, NASA brings that ...

Quantum calorimeters are opening this new window on the Universe. First promised four decades ago, the quantum-calorimeter era of X-ray astronomy has finally dawned. A quantum calorimeter is a device ...

The 2020s are certainly roaring when it comes to astronomy. The launches of JWST and eROSITA have brought incredible new insights into infrared and X-ray astronomy respectively. More revolutionary ...

Veiled in gas and clouds, the Milky Way’s center does not easily give up secrets. The initial detection of its supermassive black hole (SMBH) decades ago posed as many riddles as it solved ...