Comet Lemon will be in the heart of the constellation Boötes, the Herdsman, as it makes its closest approach to Earth on Oct.

A West Texas woman saw something unusual on a recent morning, a massive parachute drifting slowly across the sky.

NASA's Perseverance Mars rover may have captured an image of interstellar comet 3I/ATLAS streaking across the sky above the ...

The first images from Mars of the Manhattan-sized interstellar object 3I/ATLAS have been released as NASA has gone radio ...

The comets, named C/2025 A6 (Lemmon) and C/2025 R2 (SWAN), are visible from the Northern Hemisphere as their orbits take them ...

When Earth is opposite Mars from the sun, it will appear full because you’re looking directly on the daylit side. But ...

This newly discovered comet could soon glow bright enough for the naked eye as it sweeps through October's morning and ...

Discovery: An international team has discovered a dark object in the distant universe that has one million times the mass of ...

A West Texas woman saw something unusual on a recent morning, a massive parachute drifting slowly across the sky ...

The object was detected by observing how its gravity distorts light behind it. Astronomers have discovered an extremely faint ...

Using a global network of telescopes, astronomers have detected the lowest-mass dark object yet found in the universe.