An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

The scenario in which space debris collides and creates more debris is called Kessler Syndrome, named after the NASA scientist Donald Kessler.

Stars like our own Sun produce “superflares” around once every 100 years, surprising astronomers who had previously estimated ...

MORE: This is how close NASA's Parker Solar Probe got to the sun Astronomers used Webb's high-resolution optics and ...

Especially when the stars that exploded was a stellar monster 20 times the mass of the sun. Using the James Webb Space Telescope (JWST), astronomers have discovered one of the most distant and ...

This magnetic cycle lasts approximately 22 years, through which the sun's magnetic field reverses and then reverts to its original state, Ryan French, a solar astrophysicist and Space.com ...

New ground- and space-based infrared observations are giving astronomers a better handle on the true populations of red ...

On April 8, 2024, the sun was totally eclipsed by the moon across parts of the U.S., Mexico and Canada. Described as maybe ...

Jan. 10, 2025 — Radiation testing suggests that solar cells made from carbon-based, or organic, materials could outperform conventional silicon and gallium arsenide for generating electricity in ...

The search for planets beyond our solar system has taken an exciting leap forward, thanks to advancements in space missions ...

Astronomers used JWST and gravitational lensing to spot 44 individual stars in a galaxy 6.5 billion light-years away.