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

Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...

The gigantic coronal hole is blasting high-speed solar wind toward Earth, potentially igniting vibrant auroras and minor ...

A vast 500,000 mile-wide coronal hole has opened up in the Sun's atmosphere, which is now shooting high-speed solar wind towards Earth.

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

The gigantic coronal hole is blasting high-speed solar wind toward Earth, potentially igniting vibrant auroras and minor ...

A massive coronal hole has opened on the sun, sending high-speed solar wind toward Earth and increasing aurora activity.

Scientists studying samples that NASA collected from the asteroid Bennu found a wide assortment of organic molecules that ...

A gigantic hole has opened up in the Sun's atmosphere and is currently big enough to spot from Earth. The structure located near the solar equator measures nearly 500,000 miles wide—more than 62 times ...

Hola, mis amigos de la ciencia! This week, researchers reported that hominins strode bipedally across Europe 500,000 years ...