Scientists are grappling with a cosmic mystery: why does the Universe behave differently on massive scales compared to our ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A tiny black hole may pass through our solar system once every ten or ...

Gravity, electromagnetism, the strong nuclear force, the weak nuclear force. For decades, physicists have recognized exactly ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

If microscopic black holes born a fraction of a second after the Big Bang exist, as some researchers suspect, then at least one may fly through the solar system per decade, generating tiny ...

What is the actual speed and direction of our solar system as it moves through the cosmos, and how does this compare to longstanding cosmology models? This is what a recent study published in Physical ...

This cosmic visitor is now officially named 3I/ATLAS, and it appears to be a comet from another solar system. Reading time 3 minutes Update: July 3, 09:24 a.m. ET: On Wednesday, July 2, the ...

Our solar system may not be as isolated as we once thought. According to a new study, more than 1 million interstellar objects could be lurking in the outer reaches of our cosmic neighborhood, quietly ...

Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically ...

"We have been calling Uranus an ice giant, but we don't really know its nature." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space ...