Early Mars Had Climate Warm Enough to Support Rain

The distribution of valley heads on Mars matches predictions for a climate that includes precipitation rather than just runoff from melting ice caps.

Curiosity Finds First In Situ Evidence of Carbon Cycle on Ancient Mars

A surprise discovery in Gale Crater is the component that was missing in the puzzle of Mars's climate history.

Jupiter storms are made of 'slushee-like' hailstones and lightning

Slushy hail, made of water and ammonia, may form during lightning-packed storms, giving researchers fresh clues about what lurks beneath the planet’s colorful cloud tops.

Hubble Sheds New Light on Atmospheric Composition and Dynamics of Uranus

A 20-year Hubble study of Uranus provide valuable data for understanding the atmospheric dynamics of this distant ice giant, which can serve as a proxy for studying exoplanets of similar size and composition.

Massive collision created Mercury, new theory suggests

A grazing giant collision between two similar-sized rocky bodies likely created Mercury a few billion years ago.

Venus May Be Even More Geologically Active Near Its Surface

An unexpected phenomenon called convection could help explain many of the volcanoes and other features of the Venusian landscape.

Extremely Weird Rock Found on Mars Looks Like Nothing Else Around It

Once again, Mars has presented us with an example of something it seems to have in abundance: extremely peculiar and baffling rocks.

Did Life Ever Exist on Venus? Scientists Develop New Equation to Find Out

The main reason for space exploration is to search for life beyond Earth. 

NASA's Webb Captures Neptune's Auroras For First Time

For the first time, NASA’s James Webb Space Telescope has captured bright auroral activity on Neptune. 

Toxic Mars Dust Could Pose Major Health Risks For Future Astronauts

Martian dust storms can potentially cause respiratory issues and elevated risk of disease, making them yet another health hazard space agencies need to prepare for, according to new research.

Curiosity rover has found the longest chain carbon molecules yet on Mars

The discovery is one of the most significant findings in the search for evidence of past life on Mars. 

NASA Rover Shoots Laser at Martian Rock And Reveals Ancient Secret

The mineral content of oddly pale rocks found in Jezero Crater can only have formed under very warm, very soggy conditions – suggesting that, long ago, Mars may have been a lot more peculiar than we ever suspected.

Saturn Now Has 274 Moons after New Discovery

A team of astronomers from Taiwan, Canada, the United States, and France has observed 128 additional moons orbiting the gas giant Saturn, bringing its total number of confirmed moons to 274.

Study Reveals How Earth's Orbit Triggers Ice Ages

New research has demonstrated the precise relationship between past ice ages and each wobble, tilt, and angle of the planet's path, unlocking a new tool for predicting the future fluctuations of our global climate.

Scientists have discovered a 3 billion-year-old beach buried on Mars

Data from Chinese Zhurong rover provide an unprecedented look into rocks buried near a proposed shoreline billions of years old. The researchers claim to have found beach deposits from an ancient Martian ocean.