In the first installment of this multipart interview series with former Area 51 employee Bob Lazar, we discuss his new S4 ...

Scientists have long pursued nuclear fusion as a near-limitless energy source. Fusion reactions, the same process powering ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) (THE CONVERSATION) Every year, companies and space agencies launch hundreds of rockets ...

Interstellar comet 3I/ATLAS has just made its closest pass by Earth. came within about 168 million miles (270 million km) of our planet. Scientists say there is no danger at all as the object passed ...

"We all would have been thrilled to find technosignatures coming from 3I/ATLAS, but they're just not there." When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Humanity’s plans for deep-space exploration hinge on the ability to use basic resources, such as water, to propel rockets to farther destinations in the solar system. Despite decades of ...

Space is unforgiving about inefficiency. Every kilogram launched costs somewhere between $2,000 and $10,000 depending on the vehicle – and that’s on a good day with a favorable contract. In that ...

From bicycles to rockets, learning through experience – whether human or machine – is shaping the future of space exploration. When you purchase through links on our site, we may earn an affiliate ...

Every year, companies and space agencies launch hundreds of rockets into space – and that number is set to grow dramatically with ambitious missions to the Moon, Mars and beyond. But these dreams ...