Lake Unter-See in Antarctica, sealed beneath thick ice, contains unusually high levels of dissolved oxygen and cone-shaped microbial reefs resembling some of Earth’s oldest fossils.
Category:
Astrobiology, Earth Observatory, Ice & Glaciers, Landsat 9, Planetary Analogs, Surface Water, Water on Earth
Posted on
March 11, 2026
Sign up for our newsletter:
Categories
159
33
12
1
12
17
2
2
22
10
4
5
14
1
11
3
27
1
10
18
1
19
9
113
17
55
11
1
4
14
1
41
26
3
15
14
386
48
2
13
1
221
4
19
37
6
2
659
8
7
18
2
1
6
45
1
6
6
1
1
17
2
41
6
1
17
3
1
46
10
1
107
10
3
151
7
29
202
3
69
1
105
18
11
34
6
299
1
3
210
3
30
46
54
2
46
1
1
3
2
1
1
10
1
2
11
2
45
5
1
30
95
13
114
1
141
50
1
1
13
4
14
2
1
170
3
20
3
186
136
1
3
100
1
14
3
112
7
3
1
2
1
1
16
67
36
10
387
10
1
361
1
21
6
1
2
405
11
1
58
1
2
4
34
3
3
2
29
1
4
1
21
38
1
7
6
1
279
371
3
233
5
13
1
62
1
133
1
10
Blog Posts
FFA 2026 Hyperwall Schedule
September 23, 2026
Risk of Hydrazine Use Following Freeze–Thaw Exposure
September 23, 2026
NASA’s Hubble Seeks Lensed Supernova, Marks 200,000 Orbits
September 23, 2026
Newsletter Archive
- ‹ previous
- 3 of 3
