NASA has detected a massive gas planet in deep space that is being pulled out of its orbit by a wildly violent and unexplained event deep in the cosmos.

In a new study, researchers from Penn State and NASA’s Jet Propulsion Laboratory analyzed human deep space communications and found that human transmissions are frequently directed toward our own ...

Earth may already be broadcasting its presence to alien civilizations without realizing it. A new study shows that our deep-space transmissions, especially those aimed at Mars and interplanetary ...

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration showing Planet Nine, a hypothetical, undiscovered planet in our solar system. New research now suggests the ...

It’s the farthest long-distance phone call in the known universe. When the astronauts of the Artemis II mission embark Wednesday on their scheduled journey beyond Earth’s orbit, in order to phone home ...

Scientists have discovered a rare comet, 3I/Atlas, from outside our solar system. This ancient visitor is believed to be over ...