LTT 1445 Ac is roughly the size of Earth and about 22 light-years away in the constellation Eridanus. The planet orbits the ...

Even the asteroid Ceres, currently located in the constellation of Sagittarius and classified as a dwarf planet with a ...

Most of the exoplanets we've discovered orbit red dwarf stars. This isn't because red dwarfs are somehow special, simply that ...

Photosynthesis changed Earth in powerful ways. When photosynthetic organisms appeared, it led to the Great Oxygenation Event.

What is a brown dwarf star? These formations often defy classification, blurring the line between planets and stars.

For observers in India, Neptune will be visible throughout most of the night on September 20-21, rising in the east just as the sun sets in the west.

A planet swings in front of its star, dimming the starlight we see. Events like these, called transits, provide us with ...

Mexico, N.Y. – Malaki Sandejas, 8, loves a dwarf planet. Sitting next to his mom on their couch, he rattles off the five in our solar system. “The dwarf planets are Haumea, Makemake, Eris, Ceres and ...

R esearchers looking for objects in the Kuiper Belt – the donut-shaped region beyond the orbit of Neptune containing icy ...

Starting Saturday, more than 200 new laws will take effect in Arizona. Here’s a breakdown of seven laws about topics from ...

Starstruck Billions of years ago, our Solar System may have had an incredibly close encounter with another passing star. As ...