Astronomers using the Subaru Telescope and Canada France Hawaii Telescope on Mauna Kea discovered a “fossil” of our early ...

The issue concerns sunlight reflecting off the satellites’ surfaces. SpaceX has attempted to reduce the brightness of the ...

On July 1, astronomers spotted an unusual high-speed object zooming towards the sun. Dubbed 3I/ATLAS, the surprising space ...

Most comets, including the well-known Halley's, loop through our solar system like cosmic time capsules that formed alongside ...

3I/ATLAS is most certainly a comet, like 2I/Borisov. Currently just within the orbit of Jupiter, it is already being heated enough by the Sun's rays that a coma of gases has developed around the ...

Comet 31/ATLAS, a rare interstellar object, may be 7 billion years old and could reveal secrets about the early Milky Way and ...

"The consequences, should the hypothesis turn out to be correct, could potentially be dire for humanity," said Avi Loeb.

Interstellar objects are visitors from solar systems beyond our own, and the third ever such object, known as 3I/ATLAS, has ...

The telescope in Chile caught this comet. Most known comets orbit the sun and are bound by the gravity of our solar system. But this object came from far beyond the pull of our Sun, traveling 137,000 ...

Comet 12P/Pons-Brooks is recognized for its relatively bright appearance when it nears Earth. Its orbit brings it into proximity with our planet approximately every 71 years, which is the periodic ...

The devil comet may have been millions of miles away at its closest pass-by of Earth, but it and other comets can orbit close to our planet for a reason. First, it's helpful to understand where ...

P: Periodic (or short-period) comet with solar orbit of less than 200 years. A: Asteroid or minor planet that was previously identified as a comet. X: Comet whose orbit can't be computed.