"It's really difficult to explain the solar system without Planet Nine but there's no way to be 100 per cent sure [it exists] until you see it." With the sun from its distance likely to look ...

Even if the specific monthly peak of the cycle has passed, it doesn't mean solar activity is over. Strong solar activity persists for a year or two beyond the maximum date, so we still have some time ...

A partial solar eclipse is when the moon comes between the Earth and the sun, casting a shadow on our planet without fully blocking out the sun. The moon will produce a striking crescent sun at ...

iStockphoto/Getty The sun is a luminary, considered the greatest beacon in our solar system. Without it, Thomas says "we would not exist" and "our solar system would not have formed as it has today." ...

You can damage your eyes permanently — even with a brief glance at the sun If you look directly at the solar eclipse on Monday without protection, you could damage your eyesight — permanently.

Though costly to implement, solar energy offers a clean, renewable source of power. 3 min read Solar energy is the technology used to harness the sun's energy ... work at night without a storage ...

Among the various places humans have aspired to visit in the solar system, the sun remains the most foreboding ... s scientific instruments to operate without special provisions to maintain ...