Gravity, electromagnetism, the strong nuclear force, the weak nuclear force. For decades, physicists have recognized exactly ...

Scientists are grappling with a cosmic mystery: why does the Universe behave differently on massive scales compared to our ...

NASA physicist Slava Turyshev has proposed that a hidden 'fifth force' may exist in the solar system, masked by environmental effects. The theory could explain why cosmic-scale observations deviate ...

Learn more about the bizarre geological features found throughout our Solar System.

A NASA probe has started its mission to map the heliosphere, which is a huge protective bubble around the solar system that was created by the sun, the space agency announced on Monday. The space ...

Add Yahoo as a preferred source to see more of our stories on Google. Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar system.

NASA has shut down a science instrument on the iconic Voyager 1 probe, the first spacecraft to reach interstellar space.

Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar system. But it may not be around much longer. The otherworldly visitor to ...