After a 35-year journey, Voyager 1 finally reached interstellar space in 2012. The most distant human-made has to venture on ...

Tune in today (Jan. 16) to bid farewell to interstellar comet 3I/ATLAS, courtesy of a livestream from the Virtual Telescope ...

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien ...

3I/ATLAS may have moved away from Earth as it makes its way out of the solar system, but this interstellar intruder continues to delight and surprise astronomers. When you purchase through links on ...

When 3I/ATLAS swept past the sun in late October 2025, it became only the third confirmed visitor from interstellar space ever detected. Unlike the mysterious 'Oumuamua, which revealed almost nothing ...

After the excitement of three visible comets in 2025, another may put on a show in late April 2026. However, although the comet, known as C/2025 R3 (PanSTARRS), could become bright enough to be seen ...

An instrument aboard NASA’s Europa Clipper spacecraft captured rare ultraviolet observations of an interstellar comet while Earth-based telescopes were blinded by the Sun. The spacecraft’s unique ...

3I/ATLAS is only the third interstellar object ever observed traveling through the solar system, following 1I/'Oumuamua in 2017 and 2I/Borisov in 2019. Each encounter has sparked fascination—and ...

With 2025 nearly in the books, let’s revisit some of the highlights of the year in space, from astronomy to spaceflight. If you're enjoying this article, consider supporting our award-winning ...

Is it cropdusting Earth with toxins? When 3I/ATLAS made its fly-by of Earth on December 19, Harvard scientist Avi Loeb wondered if it could’ve delivered an early Xmas present — poison debris raining ...

Here's a quick guide to the 2026 Division I indoor track and field championships, including the schedule of events, TV information and how teams and individuals are selected. When and where are the ...