The “Wow!" signal has a new explanation, and an ultra-cool experiment advances quantum sensing in space. Plus, making an asteroid go “boom!” might work, depending on the circumstances.

When a skyscraper-sized asteroid narrowly misses Earth in 2029, three spacecraft may be along for the ride.

NASA is underfunding planetary exploration relative to recommendations made by the National Academies Decadal Survey report, resulting in mission delays and cancelations.

Detonating a nuclear weapon on or near an asteroid is one of several options for defending the Earth from an impact. Here's what nuking an asteroid might actually do, and why it isn't always the best option.