President Donald Trump went to Iowa to kick off a year of patriotic festivities leading up to next year's 250th anniversary of American independence.

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

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

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A comet has entered the Solar System from interstellar space and will pass through the inner planets later this year, NASA ...

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

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...

On July 1, the NASA-funded ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope in Rio Hurtado, Chile, ...