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Asteroids July 10, 2019

Massive, kilometer-sized asteroid was just found orbiting the Sun

A newly-found asteroid has been spotted orbiting the Sun, whizzing past the star every 151 days, the shortest orbit of any space rock on record.

Planets July 3, 2019

Dwarf planet Ceres may be wrinkling as it shrinks

Ceres , the closest dwarf planet to Earth, may be wrinkling as it shrinks, a new study finds.

Planets July 2, 2019

The 'lost city' of Atlantis Massif could reveal how life survives on dark, alien water worlds

BELLEVUE, Wash.

NASA July 1, 2019

NASA's $200M space telescope finds alien planet almost the size of Earth, smallest discovered

NASA said its new Transiting Exoplanet Survey Satellite space telescope has discovered its smallest exoplanet so far, an alien world that's roughly 80 percent the size of Earth and could help "unlock" secrets of how the Blue Planet became habitable.

Planets June 27, 2019

Astronomers have decoded a weird signal coming from a strange, 3-body star system

Once or twice a day, a strange object in the Milky Way blinks at us.

OPINION June 22, 2019

Michael Guillen: Hello, Planet 9 – There’s a cosmic-sized chance we’ve got a big, new planet in our future

There’s not a more thrilling roller coaster ride than the study of our solar system.

Planets June 21, 2019

Voracious black holes could feed alien life on rogue worlds

Black holes are engines of destruction on a cosmic scale, but they may also be the bringers of life. New research on supermassive black holes suggests that the radiation they emit during feeding frenzies can create biomolecular building blocks and even power photosynthesis.

Planets June 21, 2019

The hunt for mysterious Planet 9

Astronomers across the globe are searching for an enormous undiscovered world dubbed Planet Nine, which could change everything we think we know about the solar system.

Planets June 20, 2019

Two potentially Earth-like alien planets found around nearby star

There are even more potentially habitable planets near Earth than we ever imagined.

Aliens June 20, 2019

No signs of alien life in closest 1,300 stars, study says: 'We are left with zero candidates'

A comprehensive study from a number of organizations, including one funded by Russian billionaire Yuri Milner, found no evidence of extraterrestrial life among more than 1,300 stars in close proximity to Earth, a hunt that spanned more than 3 years.

NASA June 19, 2019

NASA reveals new image of dwarf planet 'like nothing that humanity has ever seen before'

NASA unveiled a new image of the dwarf planet Ceres that "is like nothing that humanity has ever seen before."