Astronomers have identified Comet 3I/ATLAS as an interstellar object, making it only the third confirmed visitor from outside ...

November’s night skies are grand, festive and bright in many places, quiet and contemplative in others. Both tempers are ...

Interstellar comet 3I/ATLAS is passing safely through our solar system. Learn about its discovery, its distant path, and why ...

Data from NASA’s Chandra X-ray Observatory and NASA’s James Webb Space Telescope combine to reveal an otherworldly view of ...

I/ATLAS mysterious pulse sequence and mothership small probes release claim has gained attention after reports suggested the interstellar object emitted structured signals at 1420 MHz. With theories ...

The mystery of whether a Manhattan-sized object whizzing through the solar system is an alien probe or simply a comet may be ...

Contextualizing speed and distance helps set expectations. Around perihelion, 3I/Atlas is moving at roughly 68 km per second. Its closest approach to Earth is about 1.8 AU, near December 19, which is ...

NASA confirms comet 3I/ATLAS, a rare interstellar visitor, will safely pass the Sun and Venus in late 2025, offering ...

Evidence of this quantum layer may be coming soon. Here’s what you’ll learn in this story: Physicists are still puzzling over ...

On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than ...

The interstellar object 3I/ATLAS has shown surprising signs of nickel vapor, confusing scientists and raising questions about ...

Two Sydney PhD students have pulled off a remarkable space science feat from Earth—using AI-driven software to correct image ...