New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

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

The Hubble Space Telescope has turned its sharp eye toward a ghostly swirl of stars and gas known as the "Lost Galaxy," given ...

NASA’s Hubble Space Telescope captured a deeper look at interstellar comet 3I/ATLAS, with its Wide Field Camera 3 instrument, ...

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

New images from the Hubble Space Telescope and ESA’s JUICE spacecraft show interstellar comet 3I/ATLAS as it moves through the inner solar system, offering new details about its path, activity, and un ...

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

Footage from NASA/ESA Hubble Space Telescope that celebrates 35 years in space. Images of Mars, planetary nebula NGC 2899, ...

While scientists examine the comet's chemistry, telescopes across the solar system are capturing dramatic new images. NASA's ...

In a remarkable event for astronomy enthusiasts, NASA's Hubble Space Telescope has once again glimpsed the interstellar comet 3I/ATLAS as it hurtles through our solar system. This comet, which is set ...

Thirty-five years ago today a revolutionary new era of astronomy began when the Hubble Space Telescope, tucked onboard the space shuttle Discovery, blasted off Earth into history. The next day a ...

A new research paper finds that the amount of light pollution coming from satellites could ruin NASA's Hubble Space Telescope ...