When planes exceed Mach 1 (the speed of sound, or about 767 miles per hour—1,234 kilometers/hour for those using the metric ...

The threat posed by the space rock, estimated to be between 40 and 90 metres in diameter, is the highest ever recorded for an ...

YR4 has a very small chance of striking Earth when its orbit briefly intersects our planet's in December 2032.

NASA's 'quiet' supersonic jet is getting ready to take off NASA is continuing development of the X-59, an experimental supersonic aircraft designed to make sonic booms quieter. The X-59 is not ...

NASA has issued a fresh statement on the potential 'city killer' asteroid known as 2024 YR4 with the odds of it hitting ...

NASA's Jet Propulsion Laboratory has declared a 1.6% chance that a large asteroid would strike the Earth when on Dec. 22, ...

Learn how NASA might lower its Earth science study costs through Soxnav, a new aircraft guidance system helping optimize ...

The space rock, known as asteroid 2024 YR4, reached its highest ever impact probability of 3.1 per cent – or a one-in-32 ...

Not every experimental jet fighter made by the U.S. military would go on to reach production, for any number of reasons.

The chances of an asteroid striking Earth within the next decade has more than doubled in a matter of weeks, according to ...

Astronomers are closely monitoring asteroid 2024 YR4, which once had the highest recorded impact probability for its size.

NASA's X-59 quiet supersonic research aircraft has taken another successful step toward flight with the conclusion of a ...