Both UVA and UVB rays can damage your skin, just in different ways. One causes premature aging, the other is more prone to causing sunburn, DNA damage, and skin cancer.

Over the past decade, researchers have been puzzling through Pluto’s mysteries. Meanwhile, the New Horizons probe heads for interstellar space.

It started with a trail across the sky one that, to some, portends a government conspiracy instead of an overhead jet. Now, ...

Sunscreen protects you from premature aging and skin cancer by absorbing the sun's UV rays. Learn about sun protection, including tips.

When the sun’s UVB rays touch your skin, they interact with a protein called 7-DHC, converting it into vitamin D3. This ...

The buck moon is the first full moon in July and will be one of the most clearly visible lunar events of the year.

"Eight minutes later, the orbiter started receiving data from the descent probe, which slammed into the top of the Jovian atmosphere at a comet-like speed of 170,000 kilometers per hour," NASA ...

Saturn is a planet widely recognisable for its iconic rings but a new study suggests Earth may also have had a similar ring system over 50 million years ago. As part of the research, 21 asteroid ...

A warm afternoon on ancient Mars lasted about as long as a Silicon Valley internship. That is the sobering conclusion of a ...

July’s full 'Buck Moon' rises close to aphelion, making it the furthest full moon from the sun in 2025. The July full moon, known as the 'Buck Moon' will rise on Thursday, July 10 and put on a ...