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Planets May 20, 2019

Solid, low-mass planets have best chance to survive parent star's death

When stars about the sun's size swell into red giants and finally dwindle into white dwarfs, their planets may be kicked out of the system or consumed.

Planets May 14, 2019

Mysterious 'Sub-Neptunes' are probably water worlds

Water worlds that each possess thousands of times more water than Earth does may be more common than Earth-like rocky planets in the Milky Way galaxy , a new study finds.

NASA April 29, 2019

NASA aims to probe mysterious atmospheres of Uranus and Neptune

Nearly 30 years after a NASA spacecraft visited the farthest planets in our solar system, Uranus and Neptune, the space agency is looking to go back.

NASA April 17, 2019

NASA mission finds its first Earth-sized alien planet

Seven months after finding its first exoplanet, Transiting Exoplanet Survey Satellite (TESS) has found its first Earth-sized planet, as well as a "warm sub-Neptune-sized world."

Planets April 11, 2019

Possible 2nd planet spotted around Proxima Centauri

BERKELEY, Calif. — The nearest exoplanet to Earth may have a neighbor.

Planets April 11, 2019

Physicists scramble to understand the extreme crystals hiding inside giant, alien planets

Deep in the heart of alien worlds, crystals form under pressures up to 40 million times more intense than the atmospheric pressure on Earth, and as much as 10 times more intense than the pressure in our planet's core.

Planets April 5, 2019

Destroyed ‘past Earth’ reveals our apocalyptic future, study says

A terrifying new study may have provided a window into Earth's ultimate fate by looking at a newly discovered dying planet nearly 400 light years away.

Planets April 1, 2019

Starquakes rock alien sun, revealing details of a 'Hot Saturn'

A NASA space observatory called TESS has, for the first time, detected a planet orbiting a star with visible starquakes.

Planets March 26, 2019

Birth of Neptune's 'Great Dark Spot' captured for first time ever

Jupiter may be known for its Great Red Spot, but the Hubble Space Telescope have captured another planetary anomaly in the far outposts on space – the birth of one of Neptune's "Great Dark Spot" storms.

NASA March 22, 2019

Striking NASA picture shows Jupiter's storms in stunning detail

NASA has released an incredible image of Jupiter’s famous Great Red Spot and swirling storms in the planet’s southern hemisphere.

Planets March 14, 2019

Footprints of forming planets spotted around young star

A solar system similar to our own may be taking shape in the Taurus constellation.