Newfound ‘Baby’ Planet Smashes Record for Youngest Known World

Astronomers have confirmed a world that’s less than a million years old as the youngest known planet, using data from NASA-funded archives. Called Elias 2-24 b, the baby planet is still whirling in its natal disk of dust and gas. “Our planet-formation models already struggled to explain the previous record holders for the youngest known […]
Posted on September 16, 2026
Sign up for our newsletter:

Categories

1
47
6
17
3
679
2
4
5
1
395
371
Io
5
29
3
1
5
284
1
15
10
3
6
7
215
64
2
207
1
1
1
6
3
1
20
164
1
1
11
2
118
14
4
1
14
4
1
3
92
17
5
14
6
1
1
14
67
14
3
1
2
11
10
29
6
1
2
13
1
11
1
21
240
12
1
1
2
1
9
3
38
30
3
1
17

Blog Posts

Newsletter Archive