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Links, photos and more about Elon Musk’s plan to make humans a multiplanetary species.
New findings suggest Mercury is contracting, and might be the only other planet in the solar system to experience earthquakes – or “mercuryquakes.”
Follow ESA’s Rosetta spacecraft as it makes a controlled descent to the comet’s surface this week. There will be activities online both September 29 and 30.
Water plumes erupting on Jupiter’s moon Europa might make it easier to investigate whether life exists in the warm ocean believed to be deep beneath its icy surface.
New Hubble image shows the demise of a sunlike star. Our own sun will also burn out and shroud itself with stellar debris, but not for another 5 billion years.
The spacecraft will plunge repeatedly between Saturn and its rings, and finally execute a headlong plummet into the body of Saturn itself.
Standard cosmology calls for many more dwarf galaxies than we see. A new computer simulation suggests we might not need so many dwarf galaxies, after all.
The supermassive black hole at the heart of NGC 1052 is now the most precisely located supermassive black hole in the universe … almost.
This comet is spinning so fast it’s ejecting building-sized chunks, littering space with a debris trail as wide as the continental U.S.
“Who would have thought that Pluto is a graffiti artist, spray-painting its companion with a reddish stain that covers an area the size of New Mexico?”
Newest images from the Curiosity Rover: Martian landscapes and rocky outcrops that look almost like the U.S. Southwest.
Astronomers in Japan used a supercomputer and a hypothetical neutron star to explain blinking, enigmatic objects known as Ultra Luminous X-ray pulsars.
Cassini spacecraft will begin its grand finale at Saturn in 2017. This was one of Cassini’s last close flybys of Saturn’s large moon, Titan.
More examples of pareidolia, seeing familiar objects in unrelated patterns. These 2 nebulae will be close to the hearts of Star Trek fans.
NASA’s first sample return mission to an asteroid launches Thursday at 7:05 p.m. EDT (2305 UTC). Links here to follow the mission online.
Terzan 5 looks like an ordinary globular cluster, but has stars of hugely different ages. Some of its stars are similar to the Milky Way’s most ancient stars.
Asteroid 2016 RB1 will pass safely – at about the distance of our geosynchronous satellites – on September 7, 2016.
Brown dwarfs are like stars, but too small to ignite fusion in their cores and so shine as stars do. If you saw one, it wouldn’t be brown. It’d be magenta.
Plus more cool stuff from the Juno spacecraft’s August 27 closest-yet flyby of Jupiter.
The Dawn spacecraft is still orbiting Ceres. It went into an extended mission mode on July 1. Some mission highlights and current thinking, here.
Autumn’s false dawn
Rosetta spacecraft selfie with comet