This Feb. 4, 2026, image from NASA’s Solar Dynamics Observatory (SDO) captures a strong solar flare erupting from the star. Solar flares are powerful bursts of energy that can, along with other types of solar eruptions, can impact radio communications, electric power grids, navigation signals, and pose risks to spacecraft and astronauts. The flare pictured […]
Posted on
February 6, 2026
Sign up for our newsletter:
Categories
1
198
105
1
1
51
10
104
1
10
2
3
6
1
21
1
3
41
1
44
110
13
93
137
163
1
353
2
4
2
3
2
11
18
2
1
1
29
5
13
108
10
12
62
33
37
4
4
6
14
1
2
25
18
3
4
180
296
14
48
3
55
13
1
2
3
1
1
13
15
33
3
2
6
373
12
1
1
1
360
18
6
1
1
1
10
1
271
1
155
57
1
34
5
2
110
124
10
2
5
4
11
2
1
1
10
226
3
10
35
5
2
1
1
10
1
1
1
14
8
10
14
20
30
21
2
8
4
2
1
3
395
6
2
10
1
1
2
640
14
26
149
214
38
17
1
2
1
17
1
377
26
2
42
1
47
7
3
1
10
18
16
45
134
33
7
44
1
6
1
1
17
12
3
5
1
6
29
39
5
17
10
1
1
203
68
2
Blog Posts
APOD: 2026 August 8 – A Messier Moment for Tempel 2
August 8, 2026
2026 IGARSS Hyperwall Schedule
August 7, 2026
NASA’s IXPE Studies Magnetar
August 7, 2026
Newsletter Archive
- ‹ previous
- 3 of 3