A comet hurtling through the solar system from interstellar space is exactly what it appears to be, NASA officials said ...

The nucleus, estimated from Hubble Space Telescope images to be at most a few kilometers across, cannot be resolved in our HiRISE image. Additionally, due to spacecraft jitter during the observation ...

With the government reopened, the space agency at last released pictures captured by a fleet of government spacecraft of an ...

"It's going to look different because it didn't come from our solar system and that's what makes it so magical." ...

The new study involved taking a fresh look at the "Altamura Man," which is an exceptionally well-preserved Neanderthal ...

A Brown University researcher helps to lead the science team for NASA’s HiRISE camera, which caught images of the comet as it streaked past Mars.

As far as physical features, NASA says 3I/ATLAS has speed, color, and direction that are, “consistent with what we’d expect ...

Imaging suggests that a lot of the material coming off is in the form of dust grains. NASA indicated that two missions to ...

The eye-opening photos, which were taken “during a number of the agency’s missions,” will be unveiled on Wednesday, November ...

NASA will reveal new imagery of the interstellar comet 3I/ATLAS on Wednesday (Nov. 19), and you can watch it live. The ...