On Jan. 31, 1958, Explorer 1 became the first satellite launched by the United States. Its primary science instrument, a ...
Earlier this week, the number of visible sunspots on our home star fell to zero for the first time in 1,335 days. This ...
Add Yahoo as a preferred source to see more of our stories on Google. The Sun seems like a perfectly reliable, unchanging presence in the daytime sky, but it’s not. Intense heat and pressure in its ...
Richard Carrington’s name has long been connected with the most intense solar storm ever recorded, but his face was unknown ...
What a remarkable update to our ancient understanding of our place in the solar system.