I/ATLAS is a fast, ancient interstellar object. Its odd features fuel both scientific study and speculation. On July 1, ...

NASA has responded to speculation that mysterious interstellar object 3I/ATLAS is actually an alien starship preparing to invade Earth.

The European Space Agency-led Solar Orbiter mission has split the flood of energetic particles flung out into space from the ...

Astronomers have been racing to get a better look at 3I/ATLAS, a mysterious object with interstellar origins that has defied ...

There's some bizarre action going on with 3I/ATLAS, the interstellar object which some have claimed could be an 'alien threat ...

Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient ...

Scientists are continuously monitoring the mysterious interstellar object racing through our solar system.The space object ...

But over the summer, 3I/ATLAS, has plunged toward the inner solar system—and the fireworks show has begun in earnest. When ...

Ever since a mysterious interstellar object, dubbed 3I/ATLAS, was first spotted screaming into our solar system, famed ...

Three celestial bodies are preparing to meet up for one night in September in a cosmic conjunction that should be widely visible in the sky.

NASA’s OSIRIS-REx spacecraft collected Bennu’s samples in 2020 during a swift touch-and-go. The material contains ancient stardust, interstellar organic matter, and minerals formed from melted ice ...

Most comets, including the well-known Halley's, loop through our solar system like cosmic time capsules that formed alongside our Sun and planets around 4.5 billion years ago. But every now and then, ...