HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...

When NASA launched a spacecraft to an asteroid, scientists patiently waited for their chance to look at bits of the space ...

Firefly Aerospace's Blue Ghost lander, a private spacecraft hired by NASA to take experiments to the moon, got a rare front-row seat of the spectacle in space. The phenomenon occurred when the blue ...