Lemmon and SWAN — plus a meteor shower are gracing October 2025 skies, weather-permitting. Learn the best times and ...

Analyses of its emissions using NASA’s Neil Gehrels Swift Observatory indicate that the interstellar comet probably has a ...

Recently, scientists discovered a number of new comets, two of which will be passing by Earth in October. Here's everything you can expect to find in the skies.

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

Astrophotographer Brennan Gilmore has captured spectacular views of the solar wind stripping a vast section from C/2025 A6 ...

Conditions are near-perfect to spot this celestial visitor, which won't appear again in our night sky for another millennium.

We're just weeks away from this interstellar visitor reaching its brightest in Earth's night skies. Will we see it?

The comets A6 (Lemmon) and R2 (SWAN) are visitors from the chilly fringes of our solar system, and could even be visible at ...

"Current models are showing the [Lemmon] comet will likely peak between 3.5 and 4.5 magnitudes when it is nearest to Earth on October 21, which is dimmer than what they showed last week," Saint Louis ...

ESA’s Mars orbiters captured images of the interstellar comet 3I/ATLAS as it passed close to Mars, revealing its bright, hazy ...

An interstellar visitor is zipping through the Milky Way, and a team of Michigan State University researchers is keeping ...

The images taken by two Mars orbiters show a bright, fuzzy white dot of the comet, also known as 3I/ATLAS, appearing to move ...