Interstellar comet 3I/ATLAS, the third object ever confirmed to have originated beyond our solar system, is heading back into deep space on a trajectory that will carry it away from the Sun ...

Another day, another ambitious company emerges to harness the power of the Sun from Earth's orbit. Okay, it's not quite that common an occurrence, but there are indeed a number of firms giving this a ...

Astronomers have detected water on interstellar comet 3I/ATLAS with a deuterium-to-hydrogen ratio exceeding 6.6 × 10−3, a ...

Overview Energy plans to develop satellites collecting solar power in geosynchronous orbit and beaming it to Earth using near-infrared wide-beam lasers. Credit: Overview Energy WASHINGTON — A space ...