Observatory achieves 'first light' with new planet finder

A new planet-hunting instrument at W. M. Keck Observatory has achieved "first light," capturing its first data from the sky and marking an exciting chapter in the search for Earth-sized planets around other stars, which are ...

Meta-lens offers superior off-axis focus

An ultrathin dielectric meta-lens has been created that improves focusing capabilities but can also be scaled down to a tiny size for integration with photonics equipment.

Beautiful dunes on Mars, sculpted by swirling winds

This interesting image from the HiRISE camera on the Mars Reconnaissance Orbiter shows a field of fascinating dunes called barchan dunes. These dunes have formed along a cliff in Chasma Boreale, in the North Pole of Mars.

Planet 9 is running out of places to hide

We have a pretty good idea of what lurks within our solar system. We know there isn't a Mars-sized planet orbiting between Jupiter and Saturn, nor a brown dwarf nemesis heading our way. Anything large and fairly close to ...

NASA reveals Webb telescope's first cosmic targets

NASA said Friday the first cosmic images from the James Webb Space Telescope will include unprecedented views of distant galaxies, bright nebulae, and a faraway giant gas planet.

page 4 from 16