NASA refines satellite crash course, a bit

NASA on Thursday refined the crash course of a six-ton defunct satellite, saying it is likely to miss North America, though its exact landing spot remains unknown.

NASA to try Moon satellite launch Saturday

NASA has postponed until Saturday its next attempt to launch a $500 million pair of unmanned spacecraft that will use gravity tools to map the Moon's inner core for the first time.

Climate models make too hot forecasts of global warming

Data from NASA's Terra satellite shows that when the climate warms, Earth's atmosphere is apparently more efficient at releasing energy to space than models used to forecast climate change have been programmed to "believe."

Possibly the most distant object known

The most distant objects in the universe are also the oldest -- or at least that is how they appear to us, because their light has had to travel for billions of years to get here. They are also extraordinarily faint since ...

Two new brown dwarf Solar neighbors discovered

Scientists from the Leibniz Institute for Astrophysics Potsdam (AIP) have discovered two new brown dwarfs at estimated distances of only 15 and 18 light years from the Sun. For comparison: The next star to the Sun, Proxima, ...

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