With each passing night as, the crescent slowly widens and it begins to appear against a progressively darker background, its entire globe can be glimpsed; the waxing crescent moon appearing as a thin ...

Mysterious little red dots threatened to overhaul modern cosmology—but new research may have solved the celestial conundrum.

NASA is gearing up for the launch of SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer), a powerful new space telescope set to lift off in late ...