The coldest planet in the Solar System is Uranus, which is surprisingly colder than Neptune due to its unique internal heat ...

The solar system lost its ninth planet back when Pluto was demoted to a dwarf planet, but research might indicate that there ...

Today, let's talk about something super mysterious! A detector has discovered an icy comet in the Kuiper Belt, and this has ...

On Episode 176 of This Week In Space, Rod Pyle and and Tariq Malik are joined by Alan Stern to talk about what's next in deep ...

A Falcon 9 rocket is scheduled to lift off from Launch Complex-39A, at NASA's Kennedy Space Center in Florida, on Sept. 23 at ...

Urban legend has told us exactly what aliens look like — little humanoid figures with large oval eyes, a tiny mouth and nose ...

Gleise 710, an orange dwarf star about 63 light years away, is on course to pass through the outer reaches of our solar system in about 1.2 million years, disturbing the distant Oort Cloud of icy ...

If the explosion of a PBH were observed, scientists “would also get a definitive record of every particle that makes up ...

I Atlas is a newly discovered interstellar comet traveling through our solar system at a record breaking speed of about ...

Harvard astronomer Avi Loeb argued interstellar object 3I/ATLAS "could either visit us or release some mini-probes that ...

Smithsonian researchers analyzed fragments of the near-Earth asteroid and discovered water-rich clays that hint at a distant ...