The Andromeda galaxy, also known as Messier 31 (M31), is a glittering beacon in this image released on June 25, 2025, in tribute to the groundbreaking legacy of astronomer Dr. Vera Rubin, whose observations transformed our understanding of the universe. In the 1960s, Rubin and her colleagues studied M31 and determined that there was some unseen […]
Posted on
June 26, 2025
Sign up for our newsletter:
Categories
149
384
6
1
4
6
15
2
4
18
2
198
1
6
37
1
8
17
25
3
11
2
17
2
1
6
6
1
10
1
103
43
5
10
14
13
1
2
149
1
2
3
2
2
2
1
3
32
3
4
28
11
1
3
2
108
4
14
29
14
1
5
1
1
12
43
42
14
6
1
13
1
1
10
3
10
2
40
6
11
10
54
1
6
32
1
11
1
263
33
121
1
1
1
3
171
356
2
2
10
1
221
65
2
8
134
1
10
1
10
10
4
1
32
346
1
1
625
20
107
11
3
1
1
291
1
157
1
4
20
17
3
29
1
1
1
212
1
1
1
59
26
25
1
18
1
52
10
41
196
2
23
6
2
370
5
4
1
51
44
3
15
18
10
1
3
24
10
1
1
346
1
17
1
103
4
134
10
12
18
1
89
39
37
102