Several ongoing and future missions led or co-led by NASA exploring the cosmos could face serious changes if Congress ...

Aphelion is a cinematic third-person sci-fi action/adventure that blends exploration, traversal, and tense stealth gameplay.

President Donald Trump’s fiscal 2026 budget request, if approved by Congress, would kill many of NASA’s plans for robotic ...

Scientists say it’s important to research geoengineering – large-scale attempts to cool the planet to fight climate change – ...

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

It had not been thought possible that such tiny, weak stars could provide the conditions needed to form and host huge planets ...

OF201 is incredibly lightweight on a cosmic scale. Scientists estimate its mass is about 20,000 times less than Earth's and ...

The TNO, which are described as minor planets that orbit the sun at a greater distance than Neptune, were found on the edge ...

Scientists have identified an object about 435 miles (700 km) wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it as it travels on a highly ...

Scientists hunting for Planet Nine, an elusive planetary body that could change our understanding of the solar system, have ...

A cloud of collapsing gas created our Sun, the first thing to form in our solar system. This happened about 4½ billion years ago. Then the planets began to emerge, as the billions of particles of gas ...

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to ...