Hold a carbonaceous chondrite and you’re holding a piece of the solar system’s infancy — a fragment of rock that predates Earth, assembled from dust when the planets were still taking shape.

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During the height of the Space Race, space exploration occupied a much larger place in American culture and education.

Approximately 4.5 billion years ago, a cold cloud of gas and dust buried deep in one of the Milky Way galaxy’s spiral arms started to collapse. From there, gravity worked its magic. The cloud began to ...

The idea that the solar system has a clear boundary is misleading. This video explains why there is no true “edge,” only overlapping regions shaped by gravity, solar influence, and interstellar space.

Evidence pointing toward the existence of an undiscovered ninth planet in the solar system may actually indicate our ideas of gravity are incorrect. Such is the conclusion of two scientists who ...

US firm Vast is developing spinning space stations with artificial gravity to keep astronauts healthy on deep-space missions and push the search for alien life.

While life on Mars (and Venus) has long been an obsession for those wondering if we're alone, there are other places in our ...