A NASA-led study revealed that a near-Earth object long mistaken for an asteroid—1998 SH2—is actually a hidden comet—a ...

The Nancy Grace Roman Space Telescope, set to launch at the end of August, is uniquely well-placed to help us spot any ...

Can’t wait to check out 'Planetary Defenders' at home? Below, you’ll find streaming and cable services with rental, purchase, and subscription options, so you can start watching sooner. 'Planetary ...

Add Yahoo as a preferred source to see more of our stories on Google. WISE, NEOWISE's predecessor mission, imaged the entire sky in the mid-infrared range. NASA/JPL/Caltech/UCLA The NASA project ...

The Hera spacecraft, which took flight late Monday morning, is part of a broader effort to bolster humanity’s planetary defense readiness. By Katrina Miller In humanity’s latest bid to avoid going the ...

Sci-fi correctly guessed the nuclear option, but it overlooked the depth. When a rogue ...

NASA has just premiered Planetary Defenders, a fascinating documentary looking at the high-stakes work geared toward protecting Earth from large asteroids spotted coming our way. The 75-minute ...

The European Space Agency's (ESA) newest planetary defender has opened its "eye" to the cosmos for the first time. The Flyeye telescope's 'first light' marks the beginning of a new chapter in how we ...

The NASA project NEOWISE, which has given astronomers a detailed view of near-Earth objects – some of which could strike the Earth — ended its mission and burned on reentering the atmosphere after ...

The China National Space Administration (CNSA) announced on Tuesday that China will establish a coordinated ground- and space-based monitoring system for near-Earth asteroids to provide early warning ...