Sun
Cars can reach deadly temperatures in 1 hour under the sun
A person's age and other factors affect how and when heat become deadly.
Atmospheric seasons could signal alien life
It's a tricky business, since biosignatures based on single measurements of atmospheric gases could be misleading.
Woman's face uncontrollably swells up due to sun poisoning
Find out more about the dangers.
Get soft, supple skin this summer
Use a broad-spectrum (UVA & UVB) sunscreen SPF 30 or above, which must also be non-comedogenic and non-allergic.
Upcoming new moon is the perfect time for stargazing
It's also invisible, because the sun is illuminating the side of the moon that always faces away from Earth.
NASA will fly you to the sun _ or at least your name
NASA is accepting online submissions for this hottest ticket in town.
Vitamin D reduces early mortality: study
The right amount of vitamin D reduces the risk of death substantially.
Reasons to wear sunglasses in winter
Sun rays can still carry the same UVA and UVB rays as they do in summers and in snowy regions.
Jordan opens world's largest solar park for refugee camp
The 4,000 solar panels with a total capacity of 12.9 megawatts are designed to provide 14 hours of electricity a day.
Monster planet discovery challenges formation theory
Scientists have discovered a monster planet orbitting a small, distant star.