Extra-solar planets are among the most thrilling discoveries of our age. Just today, scientists using Spitzer space telescope data announced the first detection of infrared light from an extra-solar ...

Astronomers scouring nearby stars have found two planets that mirror Neptune in size, making them by far the smallest found outside the solar system. The finds, one by scientists at the University of ...

Did you know our solar system might have had an extra planet? Scientists believe a mysterious ninth planet once existed but got kicked out long ago! This "lost" planet could have been tossed into deep ...

A leading scientist has told Newsweek about new evidence supporting the existence of a secret ninth planet lurking at the edge of our solar system. This hypothetical extra planet, often referred to as ...

AAPS, and three low-mass (ie Saturnian- or sub-Saturnian-mass planets). The multiple planet systems include two planets detected around the star mu Ara (in the constellation of Ara "The Altar"). The ...

Emily Simpson has loved space since she was a 10-year-old kid celebrating her birthday at a planetarium. Now a recent Florida Tech graduate, she leaves with not only a dual degree in planetary science ...