When people think about telescopes, they generally imagine those giant buildings perched on top of some mountain here on Earth, or some piece of hardware floating around in close Earth orbit. But ...

Reliably guiding and capturing optical waves is central to the functioning of various contemporary technologies, including communication and information processing systems. The most conventional ...

Earth just picked up a hitchhiker. Astronomers recently determined that the asteroid 2020 XL 5, discovered in 2020, wasn't just passing by like so many of its kin but actually residing at one of the ...

“PAC does not overlap with other areas of interest to human activity. PAC is the only area of the far side that will never be reached by the radiation emitted by future space bases located at the L4 ...

Launch of the Aditya-L1 solar observatory on a PSLV from Satish Dhawan Space Centre on Sept. 2, 2023. Credit: ISRO HELSINKI — India’s Aditya-L1 solar observatory has reached its destination orbit ...

Physicists have discovered a tiny asteroid, about one kilometer wide, that is locked into the same orbit as Earth—only the second such cosmic body of its type that has been identified to date. And now ...