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Hot Jupiters’ cloudy nights, blistering days

The distant exoplanets known as “hot Jupiters” orbit their stars so tightly that they’re perpetually charbroiled. Plus they keep one face toward their stars.


ESA’s Mars craft landed, but not softly

“We have data coming back that allow us to fully understand the steps that did occur, and why the soft landing did not occur.” Meanwhile, the orbiter is A-OK.

A citizen scientist (Alex Mai) created this image of the sunlit part of Jupiter and its swirling atmosphere using data from Juno's JunoCam instrument. Image via NASA/JPL-Caltech/SwRI/MSSS/Alex Mai.

Juno in safe mode for Jupiter flyby

A sudden safe mode halted planned data collection during the spacecraft’s perijove – or closest point to Jupiter – on October 19. Next perijove December 11.

Taken during the 2015 Perseid meteor shower in August - at Mount Rainier National Park - by Matt Dieterich.  He calls the photo 'Skyfall.'

EarthSky’s meteor shower guide for 2016

Look here for information about all the major meteor showers between now and the year’s end.


Animation: Schiaparelli’s descent to Mars

Computer-generated animation of the descent of the Schiaparelli lander to the surface of Mars. Real one will happen this Wednesday, October 19.


Is asteroid 2016 HO3 a second moon?

No, it orbits the sun. But its orbit keeps it as a constant companion of Earth, and it’ll remain so for centuries to come.

Image via asgardia.space

Asgardia, the nation state of space

Russian businessman Igor Ashurbeyli believes that an orbiting space station has the potential to become a sovereign nation in space.

Image via HubbleSite

Hubble reveals 10 times more galaxies

The universe suddenly looks a lot more crowded, thanks to a deep-sky census assembled from surveys taken by the Hubble Space Telescope and other observatories.

This image, captured with the VISTA infrared survey telescope, shows the central part of the Milky Way. While normally hidden behind obscuring dust, the infrared capabilities of VISTA allow to study the stars close to the galactic centre.

Within this field of view astronomers detected several ancient stars, of a type known as RR Lyrae. As RR Lyrae stars typically reside in ancient stellar populations over 10 billion years old, this discovery suggests that the bulging centre of the Milky Way likely grew through the merging of primordial star clusters. Image via ESO/VVV Survey/D. Minniti

The Milky Way’s ancient heart

Astronomers found RR Lyrae stars at our Milky Way galaxy’s core. They now believe ancient globular star clusters may have merged to form the core of the Milky Way.

Artist view of a planet orbiting two aging stars that exchange material and spiral closer together. Image via Jon Lomberg/ York University.

The fate of worlds orbiting 2 suns

These Tatooine worlds, as they’re called, might be the ultimate survivors, as their 2 stars begin aging in ways that are sometimes threatening or even catastrophic.