How do you study the innards of alien worlds? You just need the world’s largest laser. Subscribe and turn on notifications 🔔 so you don't miss any videosf='http://goo.gl/0bsAjO' target='_blank' rel='nofollow'>videos As astronomers...

Tiny wobbles and faint twinkles that have led astronomers to nearly 5,000 new worlds. Subscribe and turn on notifications 🔔 so you don't miss any videosf='http://goo.gl/0bsAjO' target='_blank' rel='nofollow'>videos Pluto was...

Solar geoengineering might help lower temps, but it’s a controversial approach. Subscribe and turn on notifications 🔔 so you don't miss any videosf='http://goo.gl/0bsAjO' target='_blank' rel='nofollow'>videos The climate change...

How can you study Mars without a spaceship? Head to the most Martian place on Earth -- the Atacama Desert in Chile. Astrobiologist Armando Azua-Bustos grew up in this vast, arid landscape and now studies the rare life forms that have...

Concrete is responsible for 8% of humanity’s carbon emissions because making its key ingredient - cement - chemically releases CO2, and because we burn fossil fuels to make it...

An international team of astronomers has reported what may be the first example of an intact planet closely orbiting a white dwarf, a dense leftover of a Sun-like star that’s only 40% bigger than Earth. The...

In 2017, NASA’s Hubble Space Telescope captured an image of a huge wing-shaped shadow cast by a fledgling star’s unseen, planet-forming disk. The young star, called HBC 672, is casting the shadow across a more distant...

A NASA astrophysicist explains humanity’s big new toy Subscribe and turn on notifications 🔔 so you don't miss any videosf='http://goo.gl/0bsAjO' target='_blank' rel='nofollow'>videos After 25 years and nearly $10 billion, the James...

What could make a NASA astronaut report seeing a flying saucer in the skies above a US Air Force test range? How have the swirling gases of Saturn formed a perfect Hexagon that has hovered above the planet's pole for 30 years? Stream...

Crop circles decoded, and their secrets revealed. They are sometimes beautiful patterns in the middle of a field. They attract tourists from around the world. They have inspired conspiracy...