Newly released UFO files reveal 1948 theories about non-human life, silver discs and bizarre Cold War encounters.

It's almost a new lunar phase.

Long before the full moon rises, shifting sunlight transforms the lunar surface into one of the sky's best telescope targets.

Here's when to see a pair of massive letters shining on the lunar surface around May's first quarter moon phase.

The phenomenon of a Full Moon arises when our planet, Earth, is precisely sandwiched between the Sun and the Moon. This ...

At Alteryx Inspire 2026, the company sat journalists at a laptop, opened the product, and allowed time to investigate and ...

Even in the worst areas of light pollution, you can’t miss Venus. After hiding out in the morning sky most of the last half ...

This view of a crescent Mars was captured on May 15, 2026, at about 5:03 a.m. PDT by NASA's Psyche mission as it approached ...