Laura Geggel

Sky gazers watching today's Great American Solar Eclipse were treated to a rare view of the International Space Station (ISS) when the spacecraft flew past a partial eclipse of the sun.

The catchphrase "bazinga" — a zinger commonly uttered by Dr. Sheldon Cooper, a fictional theoretical physicist on the TV show "The Big Bang Theory" — has inspired the creation of a novel compound.

The world's first laser weapon — one that can "kill" threatening, airborne drones — is ready for action, according to news sources.

It's A-OK that Vice President Mike Pence touched a piece of titanium equipment destined for outer space, despite a sign on it that stated, "Critical Space Flight Hardware, Do Not Touch," NASA said.

People with plans to watch the upcoming solar eclipse likely have a long checklist of things to do, but should that checklist include securing protective glasses for their furry friends?

Science superhero Bill Nye plans to save the world by cultivating a superpower that exists in everyone: critical thinking.

Here's why hydrogen is so common in our universe.

Satellites have provided a detailed view of the small but vitally important magnetic signals emitted by Earth's outer shell, known as the lithosphere, the European Space Agency (ESA) said.

How hot are Earth's scorching insides? A sweltering 2,570 degrees Fahrenheit (1,410 degrees Celsius), a new study finds.

Humans have sent spacecraft to the moon, the red planet Mars and even distant interstellar space, but can we send a spaceship to the scorching sun?

The globally averaged temperature over land and ocean surfaces for 2016 was the highest among all years since record keeping began in 1880.

A band of molten iron is churning slowly deep inside Earth, much in the same way as a jet stream, a new study finds.

Every year, scientists and skywatchers welcome the supermoon, which is the closest full moon of the year. But this year, the supermoon is receiving extraordinary attention.

Someday, stargazers may see pink, green and violet shooting stars streak across the night sky, thanks to a startup company that wants to launch tiny, human-made meteors, according to news sources.

Will humanity find intelligent alien life anytime soon? Probably not, according to theoretical physicist Stephen Hawking.

Earthlings may have left boot prints on the moon, but even nearby stars, such as the bright Alpha Centauri system, have long been out of reach.

For the first time in recorded history, a meteorite is reported to have killed a person.

The dusty-red sphere now called Mars has fascinated stargazers since the dawn of humanity, but Earthlings' view of the planet has changed drastically over the years.