The object, discovered by Gennady Borisov on November 2, 2025, quickly became the focus of speculation amid the curiosity ...

C/2025 V1 Borisov races toward the sun with 3I/ATLAS-style oddness. Discovery, orbit, expert quotes, and what to watch as astronomers seek answers.

This paper describes the eccentricity, amplitude, phase shift, angular momentum, polarization, radial path, and orbital ...

Guest: Professor Dagomar Degroot, environmental historian at Georgetown University and author of Ripples on the Cosmic Ocean: ...

Prepare to look up and reconsider everything you thought you knew about these cosmic wanderers. Comet 3I/ATLAS has shattered ...

An illustration of Mimas’s ice shell evolution, in which the changes in ice shell thickness (y-axis) lag behind the eccentricity decay (inverted x-axis). Time increases to the right of the plot, while ...

What: New research suggests Uranus’s moon Ariel once hosted, or may still contain, a deep subsurface ocean beneath its icy crust. Guests: Planetary scientist Dr. Ca ...

Harvard astrophysicist Avi Loeb has suggested that newly discovered comet C/2025 V1 and interstellar visitor 3I/ATLAS could ...

This artist’s impression shows a Jupiter-like exoplanet that is on its way to becoming a hot Jupiter — a large, Jupiter-like exoplanet that orbits very close to its star. NOIRLab/NSF/AURA/J. da Silva ...

Illustration of the uncertainty of Earth's orbit 56 million years ago due to a potential past passage of the Sun-like star HD7977 2.8 million years ago. Each point's distance from the center ...