Researchers armed with a new "photonic lantern" device have discovered an unexpectedly asymmetrical disk of gas swirling ...

COURTESY CFHT This web camera photo shows the Canada –France –Hawaii Telescope near the summit of Mauna Kea this afternoon. Big Island summits are under a winter weather advisory until 6 a.m. Sunday.

Earth has a new companion for the next 60 years or so — an asteroid-like object sharing the planet’s orbit around the sun.

Multiple Mauna Kea observatories have been observing 3I/ATLAS, an interstellar comet. 3I/ATLAS originated from outside the ...