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 new interstellar object has been spotted careening into the solar system at an extremely unusual trajectory.

Artist's impression of Planet Nine – a suspected “wide-orbit” planet – with the Sun in the distance; Neptune's orbit is shown ...

Can we really reach another solar system? This video explores how humanity might colonize Proxima Centauri B, our closest potentially habitable exoplanet, located in the Alpha Centauri system. We ...

Nearly 400 years ago, Galileo looked at the Pleiades star cluster through his telescope and noticed that the seven or so ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

To reach Earth’s closest star system, Alpha Centauri, scientists are building a laser-powered spacecraft. To pull off ...

Under the assumption that planetary dust particles can escape from the gravitational attraction of a planet, we consider the possibility of the dust grains leaving the star’s system by means of ...

New look at galactic region surrounding our solar system: Lyman-alpha emissions Surprising view of galactic surroundings Date: April 28, 2025 Source: Southwest Research Institute Summary: The NASA ...

If Gregg and Wiegert are correct and Alpha Centauri does indeed eject material at a rate comparable to our own solar system, they estimate (charting speed and direction) about one million interstellar ...