Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

Humans evolved late in Earth history. While this timing inspired the conclusion that humanlike life is a cosmic improbability ...

The Valentine's Day northern lights will largely be visible in Canada and Alaska, but a few northern-most states may see the ...

For Valentine’s Day, we’re celebrating 14 UCSC alumni who found more than just a degree on campus—they found each other.

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

Love Stories is a series about love in all its forms, with a new essay each day through the week of Valentine’s Day. This year we are focusing on astrological forces. Love is a messy and mysterious ...

February is the best month to see Venus. But clouds, storms might make it hard to spot in Mississippi on Valentine's Day. How stargazers see it.

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

It might be hard spotting Venus on Valentine's Day in Indiana because of cloudy weather. February, however, is still the best month to see it.

From supermoons to a total eclipse to the national park’s biggest and best-attended star parties, these are the must-see celestial shows of the year ...

Valentine's Day could bring a dazzling display of the northern lights for stargazers in some parts of the U.S.

Astronomers will use the Webb telescope to closely monitor the size and trajectory of an asteroid that has a slim chance of hitting Earth in 2032.