Data from Voyager 1, now more than 11 billion miles from the sun, suggest the spacecraft is closer to becoming the first human-made object to reach interstellar space.
Using a combination of biomechanical analysis and bone histology, palaeontologists have shown how one of the best-known dinosaurs switched from four feet to two as it grew.
Record breaking heat is possible across the U.S. Southwest as temperatures warm well into the 100s. Could we hit the hottest temperature ever recorded on Earth?
Around many types of stars, distant gas-giant planets are rare and prefer to cling close to their parent stars. The impact on theories of planetary formation could be significant.