Trump’s NASA chief sparked reactions after referencing “making Pluto great again,” a tongue-in-cheek remark that revived the long-running debate over the dwarf planet’s status.

We took Andy Weir to a science museum and watched him nerd out with an astrophysicist and about making "Project Hail Mary" ...

Some movies you watch and never forget—because you can’t. Who could fail to remember the first time they saw Nazis in space, or Nicolas Cage ranting and raving about honey in a matriarchal commune?

NASA chief Jared Issacman appears to be among those who support Pluto being reclassified as a planet. Could President Trump sign an executive order?

Add Yahoo as a preferred source to see more of our stories on Google. Guests visting the Lowell Observatory in Flagstaff, Arizona during the I Heart Pluto Festival gaze at celestial objects from the ...

For no explainable practical reason, humans are enamored with – and even empathetic toward – specific inanimate objects. Our first car. A choice coffee mug. And for a particular subset of the ...