Space News & Blog Articles

A red giant star is a dying star in the last stages of stellar evolution. Our own sun will turn into a red giant, expand and engulf the inner planets — possibly even Earth.

Black holes can not only rip stars apart, but they can also trigger star formation, as scientists have now seen in a nearby dwarf galaxy.

There are three theories as to how Earth's satellite could have been created.

Our sun just had a medium-sized energy burp.

UAP will get more attention from both the scientific community and the federal government in 2022, experts told Space.com.

Earth's star is the largest and the most massive object in the solar system. More than one million Earths could fit inside the sun.

Scientists have for the first time confirmed the merger of two highly eccentric black holes.

The sun's temperature varies from around 27 million degrees Fahrenheit (15 million degrees Celsius) in the core to about 10,000 degrees F (5,500 degrees C) at the surface.

Watch the sun set from a particularly dark patch of Earth and you may spot a triangle of what scientists call zodiacal light extending from where our star passed below the horizon.

Does the simulation hypothesis offer a compelling argument, or is it just interesting food for thought? Let's find out.

The tally is something like 61 million Olympic-sized swimming pools.

An Atlas V rocket topped with two "neighborhood watch" satellites is scheduled to lift off from Florida's Cape Canaveral Space Force Station Friday at 2 p.m. EST (1900 GMT).

Get to know our nearest stars, their distances in light-years, spectral types and their known planets.

NASA's Neil Gehrels Swift Observatory has temporarily stopped its science observations while the mission team investigates an issue.

A SpaceX resupply ship will have to wait at least one more day before returning to Earth.

Stunning views of the aftermath of the Tonga volcano eruption have been snapped by astronauts at the International Space Station.

Spacecraft prep and orbital traffic pushed the first all-private space station mission one month later.

NASA's Ingenuity Mars helicopter has notched yet another milestone — the first weather-related flight delay on another planet.

Neil Armstrong was a NASA astronaut, aeronautical engineer and the first person to walk on the moon, on July 20, 1969.

The Marsquake-hunting mission will pause science for the time being.

For 60 years, the Cosmosphere has been a leader in the preservation of space history. The Kansas institution has everything you would want from a world-class museum. Everything, except its own beer.