Skip to playerSkip to main contentSkip to footer
Popular Science
  • 3/20/2017
Is there really a ninth planet ("Planet X") in our solar system? And if so, how big is it? And how far away is it? We explore these questions and more in our newest collaboration with Thought Café.

Category

🗞
News

Recommended

1:09
Up next
Astronomers Might Finally Know Where to Look for the 9th Planet
Amaze Lab
9/1/2021
1:33
Astronomers Discover 7 Earth-Sized Planets Orbiting Nearby Star
Popular Mechanics
2/12/2018
10:41
Did Scientists Just Prove There's an Undiscovered Planet in The Solar System? | Unveiled
Unveiled
6/4/2022
1:20
Astronomers Say They’ve Found the ‘Strongest Statistical Evidence Yet’ for Ninth Planet in the Solar System
Amaze Lab
4/29/2024
1:20
Does Our Solar System Actually Have 9 Planets Even After Pluto Was Eliminated?
Amaze Lab
2/10/2025
4:21
What If a New Planet Formed in the Solar System?
WHAT IF
2/19/2021
1:10
The Search For The Real Planet X
Popular Science
1/19/2016
1:09
Experts Say There Could Be Another Planet Out In the Far Reaches of Our Solar System
Amaze Lab
7/28/2023
8:27
The hunt for Planet Nine
Popular Science
3/29/2017
0:59
We May Have Found A Glow That Marks The Edge of Our Solar System
Amaze Lab
8/9/2018
1:13
Stellar Survey Finds 1-in-12 Stars Have Eaten a Planet in Their System
Amaze Lab
3/21/2024
1:15
Astronomers Finally Find Two Planets Sharing the Same Orbit After 20 Years of Searching
Amaze Lab
7/20/2023
9:08
Did Scientists Just Discover A Planet Beyond Our Galaxy? | Unveiled
Unveiled
12/4/2021
2:00
These Planets That Are Similar to Jupiter and Neptune Are Found Orbiting Around a Sun-Like Star
Amaze Lab
1/28/2025
0:47
SCIENCE (not) FICTION: The scariest planet we know of
Zoomin English
10/13/2022
1:12
Scientists Might Finally Know Why Neptune’s Signature Clouds Have Disappeared
Buzz60
9/17/2024
8:04
What's It Like On The Loneliest Mountain in the Solar System? | Unveiled
Unveiled
2/25/2023
2:26
NASA's Hubble Space Telescope finds water vapour in small exoplanet's atmosphere | Oneindia News
Oneindia
1/26/2024
9:30
Our Solar System Lost a Planet - Why Is It Gone?
Bright Side
2/21/2025
4:02
Planets in our solar system | Solar System for Children Animation | Facts About Solar System
7Seas Entertainment Ltd
10/28/2015
0:38
Kepler Telescope Shuts Down After Nine Years Of Deep-Space Planet Hunting
Entertainment (now)
11/4/2018
3:22
Get a grip: the science of how tires work in winter
Popular Science
11/24/2020
0:12
What Makes Things Stink?
Popular Science
9/4/2020
1:00
Raytheon Technologies Counter-UAS Capabilities
Popular Science
6/30/2020
2:07
The Air Force's oldest bomber flies like 'a brick'
Popular Science
6/18/2020