While for most people Pluto is the most distant planet in the Solar System, things get a lot more fuzzy once you pass Neptune ...

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

But an international team of astronomers have detected the unmistakable signature of a gas giant planet orbiting the ...

Planetariums were a hit with the public. Within decades, they had spread around the world – the first planetarium in the ...

Scientists have been working on ways to find new worlds far from Earth, and this strange method theorized decades ago has ...

Earth" that is located about 154 light-years away and is nearly twice as big and four times as massive as our planet.

Sometimes "the universe comes to us," writes the European Space Agency. For the third time since 2017, an interstellar object ...

The first interstellar object spotted in our Solar System was the cigar-shaped ‘Oumuamua, discovered in 2017 by the ...

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

This month, Asteroid Terrestrial-impact Last Alert System in Río Hurtado, Chile detected a third interstellar visitor. At ...

For only the third time in history, astronomers have discovered a new interstellar object that originated from outside our ...