It would orbit within Alpha Centauri A’s habitable zone, the starlight-bathed region where liquid water can persist on a ...

A Harvard astronomer is suggesting that an interstellar object nearing Earth could be an engineered object — rather than a ...

The Perseid meteor shower will peak next week. If you miss it, there are other meteor showers later this year that you can ...

A mysterious object from outside our solar system-one that a Harvard scientist suggests could be alien technology-is making ...

For a spacecraft like that to reach a black hole in such a relatively short time, there would have to be a black hole 20-25 ...

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NASA found something older than most planets and stars in the universe. Its formation happened "only" one billion years after ...

What they lack in visual splendour, a number of fainter stars more than make up for in cosmic importance, Nigel Henbest ...

Scientists want to send a spacecraft to intercept the interstellar object 3I/ATLAS before it vanishes for good.

Steve Mallia's Toronto-based telescope accessory business was thriving until March when the Trump administration imposed a 25 ...

The image captured over 2,500 galaxies. Many of them are very red, showing signs of thick dust or stars that formed soon ...

Jupiter and Venus, the two brightest planets in our solar system, should be widely visible for much of August in the northern hemisphere.