The orange dwarf Gliese 710 is expected to come within 0.1663 light-years or 10,520 astronomical units in about 1.29 million ...

Life without oxygen is unimaginable - not to mention not survivable - and we might need to start worrying about it ...

The Trappist-1 system, just 40 light years from Earth, contains 7 rocky planets - all roughly the size of Earth. Packed tightly within the space between Mercury and the Sun, three of these planets lie ...

Scientists assessed the risk of “tipping” in 16 different parts of the Earth system – ranging from the collapse of major ice sheets to the "dieback" of tropical coral reefs and vast forests.

These results are another example of how planetary systems can be different from our solar system. "We found a 'super-Earth'—meaning it's bigger than our home planet but smaller than Neptune ...