Six planets are part of the alignment, which will last until Feb. 18. Mercury will join the alignment later in the month.

The four planet-strong "planet parade" currently visible to the naked eye in the night sky for a short time after sunset will ...

On this day 35 years ago, NASA's Voyager 1 spacecraft took a picture that changed how we see our planet. The iconic "Pale ...

Jupiter has been high in the sky in the evening lately, and that stirred a memory of the first time I ever saw Jupiter ...

The highlight of this cosmic event is Venus, which will shine at its brightest on Sunday, February 16, making it the most ...

Proponents of going to Mars see peril and opportunity in Elon Musk's close relationship with Trump. Experts say just getting ...

Even the smallest odds of an impact sound alarming, but scientists’ ability to calculate them is actually good news.

Explore the impact of stellar flares on the potential for alien life. Discover how higher levels of UV radiation can both ...

"Tonight, we're going to be able to see Saturn for the last time this season until it returns to the morning sky in May," ...

A large asteroid dubbed 2024 YR4 now has a 2.2% chance of hitting the Earth on Dec. 22, 2032, according to NASA and the ...

"An asteroid this size impacts Earth on average every few thousand years and could cause severe damage to a local region," ...

Scientists recently doubled the chances that Asteroid 2024 YR4 will hit Earth in 2032. While earlier estimates said the ...