An amateur astronomer discovered Pluto 95 years ago today. The former planet will complete an orbit in another 153 years.

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

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

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto ...

On today’s date 95 years ago, everyone’s favorite not-quite-a-planet, Pluto, was discovered by astronomer Clyde W. Tombaugh ...

NASA’s Lunar Trailblazer will map the Moon’s water, using advanced instruments and gravity-assisted navigation to unlock vital resources for future space exploration.

Why is Pluto no longer a planet? Discover the real reason behind Pluto’s reclassification as a dwarf planet and the science that led to this change.

According to a recent YouGov poll, 35% of Americans think Pluto is not a planet. But they are all wrong—kind of. To get to ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Blue Origin will launch its first suborbital rocket launch of 2025 today — and attempt a wild spin trick to mimic the moon's gravity during the flight — but if you want to see it live ...

In the modern town of Pamukkale, known for its hot springs in southwestern Turkey, archaeologists discovered in 2013 the stone archway known as Pluto's Gate, believed to be the oldest Gate to Hell ...

Below, I’ve highlighted five of the best free movies to stream on Tubi, Pluto TV, Plex, and more this week – from tear-jerking disaster movies to iconic musical comedies. Long before AI became ...