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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
Over 100 new exoplanets from Kepler and Gaia
At least 18 of the new planets are less than 2 times larger than the Earth, and are likely to have rocky compositions with atmospheres comparable to Earth's.
December 7, 2018
Thousands of globular star clusters scattered between galaxies
Peering into the heart of the giant Coma cluster of galaxies, the Hubble Space Telescope captured a whopping 22,426 globular star clusters scattered among the Coma cluster's 1,000 galaxies.
December 6, 2018
