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 ...

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

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 ...

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 ...

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 ...

Beyond Gravity has secured a contract to deliver robotic arm thruster pointing mechanisms for the small satellites Swissto12 ...