There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

The James Webb Telescope captures the beginning of planetary formation around the young star HOPS-315 for the first time.

The enigma of the intruder about the same size as Manhattan Island is making astronomers rethink what they know about cosmic ...

Astronomers have identified a rare and unusually fast asteroid racing through the inner solar system. Known as 2025 SC79, the ...

The object is known as 2025 SC79, and it is 700 meters (2,297 feet) across. It goes around the Sun every 128 days, and it even crosses the orbit of Mercury. First observed on September 27, this object ...

I/ATLAS, a mysterious interstellar object racing toward the Sun, is baffling scientists with its speed and origin. Some ...

Did NASA find another Earth? Scientists look to the sky to find a copy of our planet, and some experts think they may have ...

High above the Sun’s blazing equator lie its mysterious poles, the birthplace of fast solar winds and the heart of its ...

We're just weeks away from this interstellar visitor reaching its brightest in Earth's night skies. Will we see it?

Viewed from orbit, Jackass Flats — situated in southern Nevada about 65 miles northwest of Las Vegas — could easily be ...

Everyone knows anacondas are strong, but few have seen how fast they really are. In this heart-stopping moment, the massive serpent launches its attack with unbelievable precision. The footage ...

On this week’s “More To The Story,” environmentalist Bill McKibben examines how the remarkable rise of solar power could ...