On Feb. 13, 2023, a cosmic bullet of sorts zipped beneath the Mediterranean Sea near Sicily. It was a subatomic particle ...

Astronomers trace a black hole outburst from its first light, reshaping theories about how these cosmic eruptions start.

Images of the space around the sun show the comet approaching the star intact—but only a shower of debris came the other side ...

A bizarre, record-breaking neutrino detected in 2023 may have originated from an exploding primordial black hole—a relic from ...

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Scientists confirm the universe is expanding faster than expected, deepening the mystery known as the Hubble tension.

BALTIMORE — In 1998, Bruce Willis saved the world by blowing up an asteroid threat in “Armageddon.” In 2022, NASA did the real thing, crashing a spacecraft into asteroid Dimorphos to prove that we don ...

Dozens of startups working on data centers, mining and pharmaceuticals are hanging on Elon Musk's long-stalled megarocket.

NASA launched the Artemis II mission, which will carry humans to the moon for the first time since 1972.

Behind the acid blood and jump scares of the Alien franchise is an even more insidious horror: a single employer with ...

Impulse, founded in 2021 by former SpaceX co-founder Tom Mueller — who famously worked as a lumberjack to put himself through ...

Jupiter, the largest planet in our solar system, has massive storms that match its size. These storms—some of which can last ...