NASA administrator Jared Isaacman just urged the president to 'make Pluto great again'—but Trump doesn't have the power to do ...

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

Discovered in 1930 at the Lowell Observatory, Pluto was demoted as a planet in 2006. Some want President Trump to take action ...

President Donald Trump and his NASA administrator are reviving the Pluto debate again — apparently at the urging of “Star ...

Scientists studying the interstellar object ‘Oumuamua have proposed that it may be a fragment from a Pluto-like planet beyond ...

Pluto lost its planetary status in 2006. Nearly two decades later, people are still arguing about it — and now the argument ...

The renewed push is stirring controversy nearly two decades after the dwarf planet classification was introduced. Renewed ...

The Solar System is a weird place filled with incredible physics and geological oddities that often break down in human terms ...

Get ready to welcome more passion and warmth into your life as we greet the spring equinox on March 20. On the same day, the ...

"Project Hail Mary," starring Ryan Gosling and based on the Andy Weir novel, releases Friday. The film is one of many based ...

They’ve come from the planet Pluto to save the world from humanity’s mistakes, but they might make things worse. And now they ...