Europe has committed to becoming climate-neutral by 2050. But how can we get there in a way that's technically feasible, economically responsible, and fair to all member states? Researchers from ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

NASA telescopes in Chile have discovered a comet from interstellar space, making its closest approach in October.

Sometimes, in order to support an idea, you first have to discredit alternative, competing ideas that could take resources away from the one you care about. In the scientific community, one of the ...

A possible cousin of Pluto seems to be circling the far reaches of the solar system. The dwarf planet candidate 2017 OF201 travels in a superwide orbit, with the sun relatively near one end of its ...

A small, inconspicuous meteorite may be about to change our understanding of how and when our solar system formed. Tiny shavings from the meteorite Northwest Africa 12264 are challenging the long-held ...

A new Tatooine-like planet outside the solar system may orbit two failed stars, scientists reported Wednesday. The exoplanet, which is about 120 light years away, appears to take an unusual path ...