All About Everything

Space shuttle rocket boosters roll into California for Endeavour orbiter exhibit

Two rocket boosters made from parts that launched on more than 80 space shuttle missions are now parked outside of Los Angeles, having moved a step closer to standing up the display of a retired NASA orbiter. The twin solid rocket motors, which Northrop ...

How to see Uranus in the night sky (without a telescope) this week

Just how many planets are visible without a telescope? Not including our own planet, most people will answer "five" (Mercury, Venus, Mars, Jupiter and Saturn). Those are the five brightest planets, but in reality, there is a sixth planet that can be glimpsed ...

Astra's 1st orbital test launch fails during first-stage engine burn

Astra's first orbital mission got off the ground, but it soon came back down again. The California-based spaceflight startup launched its first orbital test flight tonight (Sept. 11), sending its two-stage Rocket 3.1 skyward from the Pacific Spaceport Complex in ...

Astronomy and the climate crisis: Scientists make some connections

As astronomers look out to the universe, they use planet Earth as an important reference point. This has created a growing relationship between astronomy and the evolving study of climate change, which an international team of scientists explores in three ...

Everyone wants a Space Force — but why?

As perceived security threats mount in Earth's orbit, countries around the world are following the example of the United States and creating their own "space forces." Nine months ago, in December 2019, the U.S. Space Force was born. The new military branch ...

This asteroid is ejecting particles into space. A spacecraft may tell us why

(CNN) This asteroid has been full of surprises since a NASA spacecraft arrived to orbit it in December 2018. Bennu is a near-Earth asteroid that is currently being orbited by NASA's OSIRIS-REx mission. And in October, the spacecraft will play "tag" the asteroid ...

The Planetary Society

What's up (and down) in space?

The Planetary Society

NASA's Deep Space Climate Observatory, DSCOVR, recently captured this image of sunlight glinting off high-altitude ice particles in Earth's atmosphere. DSCOVR captures multiple full-disk images of Earth per day as part of a larger climate monitoring ...

Hubble telescope observations highlight dark matter's weirdness

Once again, scientists have realized that when it comes to dark matter, they are missing a piece or two of the puzzle. Dark matter makes up more than a quarter of the universe, scientists have realized, but they haven't yet learned how to see it directly.

Hubble images reveal new aspect of mysterious dark matter in the universe

It's called one of the most photogenic galaxies: The Sombrero Galaxy looks like the giant broad rim of a Mexican hat sitting out among the stars. It can be spotted using a small telescope. It's about 28 million light years from Earth. Show Caption. 16 of 30.

NASA wants to buy moon rocks

New York (CNN Business) NASA wants to purchase loads of rocks and dust from private-sector companies that could collect them from the moon, the latest step in the space agency's decade-long push to commercialize space exploration. The official request ...