Harvard researcher Avi Loeb says comet 3I/ATLAS weighs 33 billion tons and spans 3.1 miles, making it far larger than ...

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

In a remarkable development, NASA has confirmed the detection of a mysterious object entering our solar system, classifying it as a visitor from interstellar space. This revelation, made in 2025, ...

The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.

A NASA mission, IMAP, and two more spacecraft that will study space weather are traveling through space atop a single SpaceX ...

NASA is tracking an object that is entering the solar system at approximately 245,000 km/h. This interstellar visitor is ...

Dwarf planet 2023 KQ14, Ammonite, has a stable orbit that challenges the hypothesis of the mysterious Planet Nine.

Just two decades after astronomers discovered the first exoplanet, NASA has confirmed the existence of 6,000 alien worlds.

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say.

The NASA/ESA/CSA James Webb Space Telescope has provided the first direct measurements of the chemical and physical ...

A curious Calgarian took to Reddit to share that an entire model of the solar system appeared downtown near the Saddledome.