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

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

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

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

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 ...

For observers in India, Neptune will be visible throughout most of the night on September 21-22, rising in the east just as ...

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

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

In an eccentric twist, the hot Jupiter spotted in 2005 was found to be in an orbit just over six days long. The recently ...

T Coronae Borealis, one of the fainter stars included in the constellation Corona Borealis, is expected to go nova any day now.

September/2192024/Asteroids,-Comets,-and-Meteors.jpg,t_Asteroids,-Comets" width="1200" height="675" /> It's Albert's birthday the day after tomorrow, and Darian doesn't know what to get him as a gift.