Astronomers have spotted a new interstellar object — the third of its kind ever seen — shooting towards us through the solar ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

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Astronomers tracking an interstellar object flying through the solar system think it comes from a star at least 8 billion ...

What at first seemed a routine detection of an object travelling through the solar system soon turned out to be anything but.

For one, scientists observe a "cosmic fossil" called the cosmic microwave background (CMB). The first light that was free to ...

NASA’s Voyager 2 became the first and still only spacecraft to fly by Uranus, offering humanity its first close-up look at this mysterious, icy giant. Orbiting over 1.8 billion miles from Earth, ...

NASA has explored the space beyond Earth and our solar system with spacecraft like Voyagers 1 and 2, and how we’ve discovered thousands of exoplanets with space telescopes like Kepler and TESS. Credit ...

The planets in order from the Sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. If you include the ...

Spacecraft are not like the starships you see in movies. There is no endless supply of dilithium or hypermatter that lets you ...