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Juno mission to Jupiter at halfway point
On December 21, NASA's Juno spacecraft will make its 16th science pass over the cloud tops of Jupiter, marking the halfway point in the solar-powered spacecraft's prime mission.
December 17, 2018
Exoplanet’s helium atmosphere is inflated like a balloon
Astronomers have discovered that a Neptune-sized exoplanet - HAT-P-11b - has an even larger helium atmosphere than first thought. The atmosphere is literally inflated like a massive balloon.
December 16, 2018
Don’t miss 2018’s brightest comet
Whether you glimpse it with the eye - or see it online - don't miss comet 46P/Wirtanen! Charts, tips and other info here.
December 16, 2018
Tiny droplets of early universe matter created
Researchers have created tiny droplets of the ultra-hot matter that once filled the early universe, forming 3 distinct shapes and sizes: circles, ellipses and triangles
December 14, 2018
Ancient water found on asteroid Bennu
NASA's OSIRIS-REx mission arrived at asteroid Bennu on December 3 and has already made a significant discovery about this small world.
December 13, 2018
Voyager 2 enters interstellar space
NASA announced Dec. 10 that for the 2nd time in history, a human-made object has reached the space between the stars.
December 10, 2018
What will the sun do next?
Many have predicted a weak sunspot cycle in the years ahead, but new work from India suggests otherwise. The work dashes speculations of a sun-induced global cooling of Earth’s climate in the coming decade.
December 10, 2018
Listen to the Martian wind
NASA's InSight lander has captured the 1st-ever sounds of Martian winds.
December 9, 2018
WASP-69b, the exoplanet with a tail
Astronomers have discovered a Jupiter-sized planet - 163 light-years away - that seems to think it's a comet. It has a prominent "tail" of helium gas.
December 9, 2018
Radio search finds no artificial emissions from ‘Oumuamua
“We were looking for a signal that would prove that this object incorporates some technology."
December 7, 2018
