Solar System

"Our work is a new piece of evidence that suggests that Mars was once a much more complex and active planet than it is now."

A massive filament eruption carved a 250,000-mile-long "canyon of fire" into the sun — and sent a CME sailing into space.

The largest Mars rock on Earth will soon be auctioned off in NYC, and could sell for at least $2 million.

Since then, a multitude of spacecraft have rocketed Marsward from a variety of nations.

NASA has released remarkable video captured during the Parker Solar Probe's record-breaking 2024 flyby, offering the closest views of the sun ever recorded.

Scientists have found that Uranus emits its own internal heat, contradicting data from NASA's Voyager 2 probe nearly four decades ago.

"Can humanity enjoy the benefits of both asteroid and lunar mining without compromise, or do we have to choose one at the expense of the other?"

Astrophotographer Philippe Tosi captured explosive Ellerman bombs on the sun's surface as an active sunspot turned toward Earth.

Earth may be safe from an impact by the asteroid 2024 YR4, but it still has a chance of striking the moon. This lunar impact could pose a risk to space tech and astronauts.

3I/ATLAS isn't just fascinating because it is the third interstellar visitor found in the solar system; new research suggests it's also the oldest comet ever seen, at over 7 billion years old.