The interstellar comet 3I/ATLAS may be out of view of Earth, but orbiters on Mars were able to recently get a look at it.

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

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

Large rivers once flowed on Mars and emptied into an ocean before the planet's surface dried up billions of years ago.

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The International Astronomical Union (IAU) officially designated it as 3I/ATLAS, with the 'I' signifying its interstellar origin, making it the third such object identified, following 1I/'Oumuamua in ...

Can an amateur telescope really compete with the Hubble Space Telescope? 🌌 In this video, we explore what each can capture, ...

Interstellar comet 3I/ATLAS made its closest pass of Mars on Oct. 3, and Europe’s Red Planet spacecraft were ready for it.

3I/ATLAS is named for its status as one of three interstellar objects ever discovered in our cosmic neighborhood, as well as ...

The comet 3I/ATLAS was discovered on July 1 of this year by the Asteroid Terrestrial-impact Last Alert System (ATLAS) based in Chile. Originally designed to safeguard Earth from potential asteroid ...

I/ATLAS is only the third comet ever witnessed from outside our Solar System and new imagery could teach us so much about ...