Asteroid tracking sensor passes key test

An infrared sensor that could improve NASA's future detecting and tracking of asteroids and comets has passed a critical design test.

Astrophysicists study asteroid 3200 Phaethon

Polarimetric investigation of a near-Earth asteroid Phaethon was carried out in December 2017 on its closest approach to the Earth. The study was conducted in collaboration with scientists from the Ussuriysk Astrophysical ...

What it takes to discover small rocks in space

Once every month, on average, somewhere on Earth a fireball appears out of nowhere and for mere seconds, casts a blinding flash across the sky before it blows up in a thunderous explosion. It happened last Saturday over southern ...

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