Two planets stand side by side as the evening twilight continues to delight and colorful stars shine in the sky this week.

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

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

The SUNY Oneonta Biological Field Station is accepting applications for its summer internship program, which offers high school and college students the opportunity to develop hands-on experience with ...

Asteroids, comets and Kuiper belt are bodies smaller than planets that orbit the sun. Asteroids are composed of metals and rock, whereas comets also contain ice and dust. The Kuiper belt is a ...

Pluto doesn’t meet this membership criterion because its orbit is peppered with other icy bodies in the ... space potatoes,” ...

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 researchers also simulated the collision of Orcus and Vanth, another pair of co-orbiting icy objects out beyond Neptune’s orbit with a mass ratio similar to that of Pluto and Charon.

Credit: Orbit Fab Join our newsletter to get the latest military space news every Tuesday by veteran defense journalist Sandra Erwin. ORLANDO, Fla. — The U.S. Space Force is taking a measured ...

The climate on such a world must be beyond bizarre. A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away. The planet, known as HD ...

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 ...

The 2010 Roadster has spent the last six years, 11 months and 19 days following the successful test mission in orbit. The car received an International Designator (COSPAR ID) of 2018-017A and ...