The entire progression will be observed by the ESA’s orbiters the Mars Express and ExoMars Trace Gas Orbiter as well as NASA’s Mars Reconnaissance Orbiter, which will utilize the cutting-edge HiRISA ...

A new listing of the 50 most concerning pieces of space debris in low-Earth orbit is dominated by relics more than a quarter-century old, primarily dead rockets left to hurtle through space at the end ...

Beyond the race for scientific, commercial and military purposes, there is another space race of a more curious sort. A race to be the first to send various objects up there. But why?

The little space rock, called 2025 TF, safely passed within roughly 250 miles (400 km) of our planet on Tuesday (Sept. 30) at 8:49 p.m. EDT (Wednesday, Oct. 1 at 0049 GMT), according to NASA data.

This compact and portable smart telescope provides an affordable way for beginners to get started with astroimaging.

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest observations will be made.

Astronomers are tracking a newly discovered interstellar visitor called 3I/ATLAS, and early research suggests it may be unusually massive.

Astronomers have discovered that asteroid 1998 KY26, the target of Japan’s Hayabusa2 extended mission, is far smaller and faster-spinning than previously thought. Astronomers have conducted a new ...

Scientists have discovered that the 3I/ATLAS — a Manhattan-sized interstellar object that potentially has alien tech — is much larger than previously thought.... First discovered by NASA on July 1, ...

The selected device will fly to the International Space Station in 2027 to provide crucial medical capabilities currently unavailable to astronauts.

A baby world just drifting through space without a star to call home has been caught in a record-smashing feeding frenzy.

The James Webb Space Telescope's latest image shows eight spectacular examples of gravitational lensing, a phenomenon that Albert Einstein first predicted some 100 years ago.