NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

The comet should be visible by telescope through September, before it gets too close to the sun, and reappear in December on ...

The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain ...

A new gas giant world discovered by citizen scientists using data from NASA's exoplanet-hunting spacecraft TESS is cool, ...

Experts have confirmed that the mysterious object hurtling towards us, previously dubbed A11pl3Z, is an "interstellar object.

New Horizons just completed its first successful stellar navigation test in deep space, a groundbreaking moment for ...

By looking at the shifting of stars in photos from the New Horizons probe, astronomers have calculated its position in the ...

NASA’s ATLAS survey telescope found an interstellar comet, which could be the largest yet, in the direction of the ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new ...