Atom & Cosmos

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Rocks sampled by the Curiosity rover suggest that Gale Crater once contained liquid water lakes that endured for potentially thousands of years at a time, shown in this artist’s illustration.


GRAVITY'S CENTURY  Einstein's general theory of relativity, published in November 1915, describes gravity as the warping of spacetime by masses such as the Earth and moon. The latest issue of Science News celebrates general relativity's 100th anniversary.

subatomic particles captured in Brookhaven collider

The 20th century brought many surprising discoveries about the subatomic realm, including that there are many, many types of subatomic particles, some of which are seen above in the aftermath of gold ion collisions at Brookhaven National Laboratory's Relativistic Heavy Ion Collider.

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