An icy ‘Oumuamua may have lost enormous amounts of material during a journey lasting hundreds of millions of years between ...

In 2008, a spacecraft was launched by NASA to study how our heliosphere, the magnetic bubble surrounding our Sun and planets, interacts with interstellar space. The Interstellar Boundary Explorer, or ...

The Voyager 1 probe, launched in 1977, is now over 15.9 billion miles away. This spacecraft has ventured into interstellar ...

A comet from another star system is due to make its closest—and final—approach to Earth this week before it continues on its journey back toward interstellar space. Interstellar Comet 3I/ATLAS will ...

A Harvard astronomer is suggesting that an interstellar object nearing Earth could be an engineered object — rather than a natural one — after making similar claims in in 2023 and 2017. "The ...

Astronomers have discovered that 3I/ATLAS, the third known object to arrive from beyond the solar system, formed in an ...

Some 350 years after a supernova, its shockwave reaches interstellar space and causes clouds of gas and dust to glow. Credit: NASA / ESA / CSA / STScI / Jacob Jencson (Caltech/IPAC) Scientists have ...

Interstellar comet 3I/ATLAS contains exceptionally high levels of methanol, suggesting it formed under conditions very different from those that shaped most comets in our solar system. ALMA also ...

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Forbes contributors publish independent expert analyses and insights. Amanda Kooser covers the quirky side of science and space. May 23, 2024, 11:53am EDT This article is more than 2 years old. An ...

An interstellar object – a comet from a distant star system – is passing through the space between Jupiter and Mars, and according to a recent study, Comet 3I/Atlas may be 3 billion years older than ...

Add Yahoo as a preferred source to see more of our stories on Google. Voyager 2 launched into the solar system 49 years ago on August 20, 1977. Together with Voyager 1, the two probes are now billions ...