3I/ATLAS is an interstellar comet that has traveled from outside the solar system, with a diameter of 10 to 20 kilometers. Currently, it is approaching Earth and the Sun at a speed exceeding 60 ...

The interstellar comet 3I/ATLAS does not come from our corner of the Milky Way, and may be a time capsule of the early galaxy ...

Could a lonely planet wander aimlessly through the restless galaxy change the subtle dance of gravity within our solar system ...

The European Space Agency also hoped to observe the interstellar object during its close approach to Mars using two ...

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About 4.6 billion years ago, our corner of space was basically just a boring cloud of gas and dust floating […] ...

The asteroid belt may seem permanent, but it is far from static. Its slow decline reveals a more violent past when more ...

What will our solar system look like after the Sun dies? This is what a recent study published in the Monthly Notices of the Royal Astronomical Society hop | Space ...

Chrysalis, a 36-mile rotating space habitat, plans to take 2,400 people to Alpha Centauri in approximately 400 years.

Cassini launched Oct. 15, 1997 on a long-term mission to Saturn and its moons. After a trio of gravity assists, two from ...