Jupiter-like planet 8 UMi b, named Halla, orbits its host red giant star Baekdu closely. The red giant's merger with a white ...

Betelgeuse is the star that everybody can't wait to see blow up, preferably sooner rather than later. That's because it's a ...

The winter solstice doesn’t coincide with the latest sunrise or the earliest sunset. Those actually occur about two weeks ...

Study finds Mars helps pace Earth's ice ages through gravity. Remove Mars, and a major 2.4-million-year climate rhythm ...

Mars follows a markedly different rhythm from Earth, as a Martian day is roughly 40 minutes longer than an Earth day, while a ...

Scientists have discovered more than 6,000 planets beyond our solar system. What if some of them aren't planets at all, but ...

THIS is the lunar hotel that billionaires could be staying at on the moon in the not-so distant future. And if you’ve got ...