Interstellar comet 3I/ATLAS, once claimed to be an alien spaceship, may be 7 billion years old

When interstellar comet 3I/ATLAS was discovered by the ATLAS survey telescope in Chile on July 1, 2025, it quickly attracted ...

Could aliens ever visit Earth? An aerospace scientist unpacks the challenges of interstellar spaceflight

On May 22, 2026, the Pentagon released a second batch of previously classified photos and videos showing what appear to be unexplained flying objects. These file dumps were the culmination of a ...
RealClearScience

Could Aliens Ever Feasibly Reach Earth?

On May 22, 2026, the Pentagon released a second batch of previously classified photos and videos showing what appear to be unexplained flying objects. These file dumps were the culmination of a ...

Could aliens visit Earth? Scientist breaks down how interstellar travel works

To assess the plausibility of alien visitors, it’s necessary to understand the obstacles that an extraterrestrial vessel would need to overcome to reach Earth ...
The Debrief

MIT Engineers Testing Exotic ‘Electrospray’ Propulsion for Faster, More Maneuverable Spacecraft

MIT engineers are testing "electrospray" propulsion thrusters that could make satellites and small spacecraft more powerful ...
Space.com on MSN

Thruster breakthrough? New 2-in-1 propulsion system is about to get an in-space test

A new propulsion system feeds the same "monopropellant" fuel into electrical and chemical thrusters, potentially saving on ...