When interstellar comet 3I/ATLAS was discovered by the ATLAS survey telescope in Chile on July 1, 2025, it quickly attracted attention for more than just being the third known object from outside the ...

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 ...

For those peering nervously at the night sky, fearing that our newest celestial visitor might be the vanguard of an extraterrestrial fleet, the scientific community has a message: you can officially ...

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 ...

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

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