It looked like the Sun was heading toward a historic lull in activity. That trend flipped in 2008, according to new research. The Sun has become increasingly active since 2008, a new NASA study shows. Solar activity is known to fluctuate in cycles of 11 years, but there are longer-term variations that can last decades. […]
Posted on
September 15, 2025
Sign up for our newsletter:
Categories
2
106
11
149
2
1
3
28
11
157
25
3
32
3
107
4
1
3
3
14
29
1
12
43
58
5
1
1
13
1
1
10
14
1
6
11
3
2
2
40
4
10
1
262
10
54
1
1
31
171
354
2
121
1
1
2
10
1
134
1
221
344
7
10
1
1
10
32
148
10
4
1
1
20
345
2
624
1
291
14
1
3
1
1
1
1
1
1
2
212
4
1
20
17
29
1
13
1
1
25
10
2
1
1
4
18
52
23
41
195
2
6
5
6
2
10
14
368
51
44
3
15
1
3
42
24
1
18
3
1
103
1
17
89
39
33
37
1
101
4
134
6
1
10
12
18
11
4
5
1
15
1
384
5
4
18
2
198
16
25
1
1
65
2
6
37
8
2
6
6
1
3
1
11
2
17
5
10
103
43
10
1
1
2
Blog Posts
A Turquoise Tint for the Black Sea
June 25, 2026
