For the first time, astronomers have announced the discovery of an exoplanet that they believe could resemble our solar system's 'ice giants' Uranus or Neptune. Continue reading →
A Neptune-size planet beyond the solar system has telltale traces of water vapor in its atmosphere, making it the smallest exoplanet known to have the wet stuff yet, scientists say.
Armchair astronomers can enjoy a cosmic double play tonight (Aug. 29), with back-to-back webcasts featuring faraway Neptune and a close-flying asteroid.
As we wait in anticipation for NASA's New Horizons probe to make its historic Pluto flyby on July 14, 2015, the mission is about to cross another milestone. Continue reading →
A scientist has created the best-ever global color map of Neptune's big moon Triton, using images taken by a NASA spacecraft 25 years ago.
What happens to carbon -- and other solid materials -- when the pressure is even greater, such as what exists in the cores of Jupiter, Saturn and giant planets beyond the solar system? The world's largest laser hopes to find out.
A bright inner moon of Neptune that has been missing in action since 1989 has been spotted. Continue reading →
Hurtling toward the Pluto system at 33,000 mph, NASA’s New Horizons probe was briefly awakened from electronic hibernation earlier this month to go through a full dress rehearsal for the July 2015 flyby. Continue reading →
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