A second planet in the Beta Pictoris system

A second planet in the Beta Pictoris system

A team of astronomers has discovered a second giant planet in orbit around alpha Pictoris, a star that is relatively young (23 million years old) and close (63.4 light years), and surrounded by a disk of dust. The alpha Pictoris system has fascinated astronom…

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Lab-based dark energy experiment narrows search options for elusive force

An experiment to test a popular theory of dark energy has found no evidence of new forces, placing strong constraints on related theories.

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