UFOs are back in the news, implying that non-humans have nothing better to do than zip about our skies. The idea is completely absurd, especially given our embarrassingly modest place in the universe.

If you've been following exoplanet research over the last couple of years, you've definitely heard of K2-18b. Located 124 ...

A video filmed from an apartment window has sparked concern online, after the man behind the camera asked fellow renters how ...