Might the solar system harbor not just one, but two unknown planets? A fresh study of the Kuiper Belt’s structure has revived ...

Harvesting solar energy in orbit and beaming it down to Earth is a decades-old idea. Now, a raft of companies say they could ...

A new quasi-satellite, 2025 PN7, has been discovered, joining a group of asteroids that orbit the Sun alongside Earth. These ...

A Harvard University professor has said that 3I/ATLAS experienced a sudden "nongravitational" acceleration while passing ...

Harvard's Avi Loeb says interstellar comet 3I/ATLAS may show forces beyond gravity. Scientists using JWST and Swift report ...

The X-59 successfully completed its inaugural flight—a step toward developing quieter supersonic jets that could one day fly ...

Harvard astronomer Avi Loeb has argued at length that 3I/ATLAS — the third-ever interstellar object ever detected, currently ...

Astronomers have identified 3I/ATLAS, an ancient, ice-rich interstellar comet potentially older than our solar system.

A JetBlue flight from Mexico made an emergency landing in Florida after a sudden altitude drop, resulting in injuries to ...

The space rock has actually been hanging around Earth for 60 years, but no-one has noticed it before... until now.

Japanese travel agency, Nippon Travel Agency Co. , announced this week that it plans to launch a high-speed, space-travel ...

Harvard's Avi Loeb gives a '40% chance' that interstellar object 3I/ATLAS is alien technology, citing 'anomalies' like pure ...