Discovered on July 1 by the NASA-funded ATLAS telescope in Chile, 3I/ATLAS is only the third confirmed visitor from another ...

The final milestone in construction was reached on November 25, as technicians carefully joined the giant telescope's inner ...

NASA is sounding a clear alarm about the way SpaceX is reshaping low orbit, warning that the company’s satellite swarms and ...

Astronomers have long been concerned about reflections from satellites showing up in images taken by telescopes and other ...

The discovery of two remarkable substellar companions orbiting distant stars has been announced by an international team of ...

Starlink is growing fast, and SpaceX has filed paperwork for as many as 42,000 satellites. Others such as OneWeb, Amazon, ...

The final integration of the telescope's major observatory components took place on Nov. 25 inside NASA's Goddard Space ...

CAPE CANAVERAL, Fla. (AP) — Telescopes around the world have spotted a monster radio jet streaming from a quasar dating back to the first 1 billion years of the universe. At double the width of our ...

CAPE CANAVERAL, Fla. (AP) — Telescope observations reveal a growing tail on the comet that’s visiting from another star. Released Thursday, the pictures taken by the Gemini South telescope in Chile ...

NASA’s James Webb Telescope discovers the oldest supernova ever seen, offering insights into early universe star formation ...

A telescope in Chile has captured a breathtaking new image of a planetary nebula that resembles a graceful cosmic butterfly. The stunning picture, released by the National Science Foundation's NOIRLab ...

Scientists flew the XL-Calibur telescope on a high-altitude balloon to measure polarized X-rays from Cygnus X-1. These measurements reveal details about the chaotic, superheated material swirling ...