Greg Uyeno

Articles by: Greg Uyeno

clunky bootprint in lunar dust

Moon exploration site preservation remains uncertain as Artemis era begins

By Greg Uyeno published

Without care, lunar missions could endanger the historic sites of prior human exploration.

a major solar flare

Is the electric grid ready for extreme space weather?

By Greg Uyeno published

It's clear that space weather can cause blackouts, but scientists are still working to predict extreme events and forecast their potentially devastating effects.

Time travel conThe grandfather paradox is a logical problem that must be avoided if a person were able to travel back in time.ceptual art

What Is the Grandfather Paradox?

By Greg Uyeno published

If time travel is possible, it must avoid the contradiction of the grandfather paradox.

The South Pole Telescope is one of the facilities that came together around the world to create the virtual Event Horizon Telescope that targeted two black holes.

Event Horizon Telescope: An Earth-Size Black Hole Camera

By Greg Uyeno published

The Event Horizon Telescope produced the first-ever image of a black hole.

Super typhoon Nepartak MISR NASA

NASA Peers Into the Eye of a 'Super Typhoon' (Photo)

By Greg Uyeno published

Imaging technologies show a storm in a different light.

ISS aurora borealis

Wow! Northern Lights Glow in Breathtaking Image from Space Station

By Greg Uyeno published

The northern lights and an impact crater were captured in a single image taken by an astronaut aboard the International Space Station.

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