(Mark Garlick/Science Photo Library/Getty Images) The cosmos wavers between predictable stability and wild chaos, which ...

Space is stranger than you think. Our solar system — the only one we’ve ever called home — is packed with phenomena so bizarre, so extreme, and so counterintuitive that they sound like pure science ...

The Sun’s death is not an event the planets will quietly survive—it is the trigger for their orbital undoing.” ...

New measurements of radio galaxies reveal that the solar system is racing through the universe at over three times the speed predicted by standard cosmology. Using highly sensitive data from multiple ...

A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from around here. Believed to be a comet, the object is only the third celestial ...

This video shows our solar system moving through the galaxy. The view is from a hypothetical vantage of a typical interstellar object in the sun’s vicinity. Illustration via Tony Dunn at Orbit ...

Learn how a possible ninth planet, the theoretical Planet X, could have acquired its wide orbit in the outer Solar System — a process that’s also applicable for other planets. There could be a ninth ...

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Astronomers have discovered that the Solar System traversed the Orion star-forming complex, a component of the Radcliffe Wave galactic structure, approximately 14 million years ago. This journey ...

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...

New observations of the interstellar comet 3I/ATLAS include the first measurement of the abundance of deuterated water relative to ordinary water in an interstellar object. Astronomers using the ...