December 5, 2017 Neptune's moon, Triton, is a homewrecker Neptune's original family of satellites may have been destroyed when its largest moon, Triton, entered the picture.
December 5, 2017 Earthworms born in mock Mars soil In what could be an important milestone for future farmers on Mars, two healthy baby worms were recently born in simulated Martian soil.
December 5, 2017 Winter solstice will mark shortest day, longest night of 2017 The winter solstice for the Northern Hemisphere is less than a month away.
December 4, 2017 Voyager 1 just fired up its backup thrusters for the 1st time in 37 years NASA's far-flung Voyager 1 spacecraft has taken its backup thrusters out of mothballs.
December 4, 2017 Water on Mars? Salty Antarctic pond could reveal clues A shallow, briny pond located in the most Mars-like region on Earth is probably being fed by groundwater seeping up , rather than moisture seeping down from the atmosphere, providing clues as to what stores of liquid water, if they exist, might look like on Mars.
December 4, 2017 Pluto, other faraway worlds may have buried oceans, shocking new study reveals Our solar system may harbor many more potentially habitable worlds than scientists had thought.
December 3, 2017 Supermoon wows sky-gazers for only time this year A “supermoon” was visible across much of the planet on Sunday evening for the one and only time in 2017.
December 1, 2017 How to watch the supermoon Look out for some changes in the sky on Sunday, when there will be a supermoon.
December 1, 2017 'Equator trap' may complicate search for alien life Spotting signs of life in an alien planet's atmosphere may be tougher than scientists had thought.