China had already showcased its ability to spot stealth jets with the Jilin-1 commercial satellite constellation, which ...

Aim Ground-penetrating radar (GPR) has been used for estimating root biomass, estimating pullout resistance force of roots, and reconstructing root system architecture. Although GPR can estimate the ...

NASA scientists have observed a rare thermonuclear explosion on a neutron star that brightened it for so long that they could detect its motion as it moved towards and away from us on its orbit around ...