Long before humans walked the Earth, your solar system had a brush with two blazing blue stars that passed surprisingly close ...

Take a mind-expanding tour across our solar system, from Earth to Pluto, learning the staggering distances, travel times, and ...

For Earth to be born, our solar system needed certain isotopes which could only be formed by supernovae. But, shouldn't such ...

Thanks to Einstein’s relativity, time flows differently on Mars than on Earth. NIST scientists have now nailed down the ...

Explore the vast distances between planets and objects in our solar system, and why most of the space around us is a wide ...

Around the bright star Fomalhaut, astronomers spotted glowing clouds of debris left behind by colossal collisions between ...

Not all planets are lucky enough to live in a neighborhood like our Solar System – some are doomed to roam the cosmos alone.

A study published in Nature Communications suggests that Europa’s rocky seafloor is likely too mechanically strong to support ...

Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...

The biggest planet in our solar system is hovering over the North Carolina skyline throughout January, and stargazers will ...

Scientists have measured that Jupiter releases more internal heat than it absorbs from the Sun, based on observations of its structure, rotation, and atmospheric behavior.

Using observations from both ground-based telescopes and space instruments, they were able to measure the planet's size and ...