Clouds of ice crystals at high altitude might be the explanation for the phenomenon witnessed by thousands of people in Portugal in 1917. Read the article to learn more.
NASA Perseverance rover captured the exact moment when the Martian moon Phobos crossed the Sun. Continue reading to learn more about the solar eclipse on Mars.
NASA's Mars rover identified a significant sunspot, currently directed at Earth, expected to release a potentially impactful coronal mass ejection. Read the article for more details.
The nuclear fusion reactor from South Korea had been upgraded to withstand extreme temperatures. Continue reading to learn about the progress of the artificial sun KSTAR.