Another window to study the interstellar comet opens around October 25. Two probes travelling towards a moon of Jupiter and ...

This week, a series of new astronomical observations have deepened the mystery surrounding the unusual interstellar object 3I ...

New observations of 3I/ATLAS have revealed the latest in a growing collection of anomalies the object displays, deepening its ...

Comet Lemmon, also designated C/2025 A6, was discovered in January by a telescope scouring the night sky for near-Earth ...

The spacecraft in question are NASA’s Europa Clipper, going to the eponymous icy moon of Jupiter, and the European Space ...

I/ATLAS, a mysterious interstellar object racing toward the Sun, is baffling scientists with its speed and origin. Some ...

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

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

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

The eyes of every astronomer widened this year when an interstellar traveler was discovered in our solar system. Despite some ...

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