There has been a lot of back and forth about the existence of a mysterious ninth planet, often referred to as "Planet Nine" ...

Computer simulations show that planets could be flung out of the inner solar system, supporting the possible existence of a ...

AI is straining power grids and producing harmful emissions. But being thoughtful about when and how you use chatbots can ...

Southwest Research Institute has collaborated with Yale University to summarize the scientific community's notable progress ...

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.

As astronomers study an exoplanet called K2-18b, conflicting research reveals how difficult it is to find evidence of life ...

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory ...

A melting glacier, a gigantic tree and an abandoned mining town are among the winning images of the Earth Photo 2025 ...

When it comes to artificial intelligence, more intensive computing uses more energy, producing more greenhouse gases.

An international team of astronomers including researchers at the University of Arizona Lunar and Planetary Laboratory has ...

Curiosity’s mission was originally supposed to last no more than two years but was extended indefinitely after it ...

Beyond the edge of Neptune, a distant realm of icy debris known as the Kuiper Belt stretches deep into space. This frozen ...