In southeastern Libya, Jabal Arkanū’s concentric rock rings stand as relics of past geologic forces that churned beneath the desert.
Posted on
November 28, 2025
Sign up for our newsletter:
Categories
12
1
2
3
29
12
323
14
3
10
13
1
18
1
11
6
6
6
1
3
48
1
41
1
4
2
1
23
100
1
29
1
62
1
5
297
1
10
5
8
16
3
42
7
2
2
148
1
1
15
2
96
4
3
34
29
281
1
55
4
10
2
6
1
7
8
595
141
1
1
6
10
3
1
3
5
2
1
90
31
1
2
37
1
9
233
10
103
146
1
2
1
322
2
132
42
14
28
2
29
24
1
184
1
4
3
102
10
1
360
1
3
1
128
51
18
1
50
1
13
12
2
4
1
19
1
2
1
10
209
37
16
1
23
25
13
135
198
2
1
1
1
332
1
4
2
24
10
9
18
1
18
79
6
15
1
40
3
13
2
1
2
3
15
2
1
1
1
4
9
1
12
6
1
157
8
Blog Posts
See NASA’s GUARDIAN Catch a Tsunami
March 23, 2026
SWOT Mission Unlocks a New View of Our Waterways
March 23, 2026
NASA’s Hubble, Webb Telescopes Survey Pinwheel Galaxy
March 23, 2026