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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
A measurement of all the starlight ever produced
How much starlight has our universe produced? According to a new study, stars have radiated 4x1084 photons since the start of the universe 13.7 billion years ago. That's the number 4 with 84 zeros behind it.
December 5, 2018
A giant relic of a disrupted tadpole galaxy
The tail of the "tadpole" is some 500,000 light-years long. If it were at the distance of the Andromeda galaxy - about 2.5 million light years from Earth - it would reach a fifth of the way to our own Milky Way.
December 4, 2018
OSIRIS-REx spacecraft arrives at Bennu
After traveling through space for more than 2 years, NASA’s OSIRIS-REx spacecraft arrived on Monday at its destination, asteroid Bennu.
December 3, 2018
Astronomers’ 1st close-up look near a supermassive black hole
For the 1st time, researchers have been able to observe the motion of gas clouds around a central supermassive black hole. This particular black hole powers the famous quasar 3C 273.
December 3, 2018
