Images from NASA's Galileo mission reveal a tantalizing starburst-like feature. Scientists call it a "wall demon." ...

Compelling evidence that the structure of matter surrounding supermassive black holes has changed over cosmic time has been ...

A University of Arizona-led team using a camera orbiting Mars has captured the closest images yet of an interstellar comet so rare that it has sparked wild speculation about its alien origins. The ...

Since its discovery in 1610 by Galileo, the rings of Saturn have enchanted us for centuries. Remarkably, we've visited Saturn ...

The Buga Sphere is a metallic object first seen on 02 March. Witnesses filmed it moving in a pattern that did not match ...

I/ATLAS moving faster than human-made spacecraft? The interstellar comet 3I/ATLAS moves on a hyperbolic path and will reach ...

What is notable about the interstellar object 3l/ATLAS, which will soon approach Earth? A number of unusual behavioural changes in 3I/ATLAS have led to speculation that an artificial probe is ...

All eyes are on the sky, as the exocomet will fly by Earth, the closest ever, at 1.7 AU on December 19. It will soon be ...

Within the diameter of Jupiter’s orbit around the Sun, the coincidence between the perijove distance and the Hill radius has a statistical likelihood smaller than 0.00004. In case the ...

These images mark an early milestone in the mission, confirming that OSIRIS-APEX is healthy and on course for its 2029 encounter with Apophis. NASA's OSIRIS-APEX spacecraft captured stunning new ...

A new study describes a key molecular mechanism that explains how cells exchange information through extracellular vesicles (EVs), small particles with great therapeutic potential. The results, ...