ASU's new goalie tactic has senior Luke Pavicich and junior Gibson Homer splitting starts, and it seems to be working.

The controversy endures over Pluto's true status, but the solar system underdog continues to capture hearts across the globe.

Updates on Asteroid 2024 YR4 have been slower during the full Moon, but experts say the precision of the object’s orbit is getting better. In March, NASA’s James Webb Space Telescope will focus on the ...

Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary status.

Pluto may not be a planet any more, but you still have a chance to see the distant dwarf planet at one of Michigan's ...

The annual event celebrates the discovery of the little planet with a big heart and other scientific advances at Flagstaff, ...

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...