The National Aeronautics and Space Administration has confirmed an interstellar object is passing through our solar system.

The anomalous nature of the object led astrophysicist Avi Loeb to apply a thought experiment to it, highlighting everything about it that might align with a hypothetical alien spacecraft.

The Solar System might not be as quiet and orderly as we think. Imagine one day looking up and seeing something strange in the sky, a small speck that grows larger and larger. Soon, it becomes clear: ...

Our sun, currently in its prime, is expected to shine for another 5 billion years. Eventually, it will transform into a red giant, potentially engulfing inner planets. Afterward, it will become a ...

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

Asteroid ‘Families’ Reveal Hidden Histories and Impact Risks across the Solar System ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), researchers have discovered new images of 3I/ATLAS, which date back to May 7.

NASA has launched a groundbreaking mission to study the heliosphere, the massive protective bubble surrounding our solar ...

The spacecraft will study the heliosphere, a vast bubble created by the Sun's solar wind. This bubble acts like a shield, ...

The Earth is our planet. It is one of eight planets that move around the sun, each in an oval shaped, elliptical orbit close elliptical orbitAn orbit that is the shape of an ellipse. An ellipse is ...