Interstellar objects move too fast and arrive too rarely for astronomy to rely on a single instrument or a single kind of light. When comet 3I/ATLAS was first reported on July 1, 2025, observatories ...
In April 2019, scientists released the first image of a black hole in the galaxy M87 using the Event Horizon Telescope (EHT). However, that remarkable achievement was just the beginning of the science ...
NASA's new infrared telescope named "SPHEREx" has officially opened its eyes to the cosmos.
The Chandra X-ray Observatory has just celebrated its 25th birthday—not bad for a telescope that was only supposed to last five years. However, NASA's current plans call for retiring this unique ...
All telescopes perform basically the same function. They gather as much light as possible from a faint astronomical object, and focus the light onto a detector. Historically, the gathering of light ...