Category: Space

Stephen Hawking: Earth Could Turn Into Hothouse Planet Like Venus

Stephen Hawking: Earth Could Turn Into Hothouse Planet Like Venus

Earth could turn into a hothouse planet like Venus, with boiling oceans and acid rain, if humans don’t curb irreversible climate change, physicist Stephen Hawking claimed in a recent interview. But most climate experts...

Ancient Mars Lake Had Multiple Environments That Might Have Supported Life

Ancient Mars Lake Had Multiple Environments That Might Have Supported Life

The lake that once filled much of Mars’ huge Gale Crater featured multiple potentially habitable environments segregated by depth, as some water bodies here on Earth do, a new study based on observations by...

How Cassini Managed to Live Such a Long and Useful Life at Saturn

How Cassini Managed to Live Such a Long and Useful Life at Saturn

Mission scientists gathered at NASA’s Jet Propulsion Laboratory (JPL) on Sept. 15 to say goodbye to the probe and watch its final plunge. JPL was the lead institute on designing and building Cassini, and the probe...

2 Monster Black Holes Spotted at Galaxy’s Heart

2 Monster Black Holes Spotted at Galaxy’s Heart

These two supermassive black holes are separated by less than 1 light-year and together harbor about 40 million times the mass of the sun, researchers said. If it holds up, the find would be just the...

Asteroids: Fun Facts and Information About Asteroids

Asteroids: Fun Facts and Information About Asteroids

Despite their size, asteroids can be dangerous. Many have hit Earth in the past, and more will crash into our planet in the future. That’s one reason scientists study asteroids and are eager to...

Arecibo Observatory: Watching for Asteroids, Waiting for E.T.

Arecibo Observatory: Watching for Asteroids, Waiting for E.T.

Arecibo Observatory, which is in Puerto Rico, is the location of the world’s largest single-dish radio telescope. Because radio telescopes can work at all times of day and in all kinds of weather, the...

‘Halos’ on Mars Suggest Conditions for Life Lasted Longer Than Thought

‘Halos’ on Mars Suggest Conditions for Life Lasted Longer Than Thought

Shortly after touching down inside the Red Planet’s 96-mile-wide (154 kilometers) Gale Crater in August 2012, NASA’s Curiosity rover found evidence that the area had harbored a potentially habitable lake-and-stream system in the ancient past. The...

Asteroid Odd Couple: Spitting Space-Rock Duo Is Truly Bizarre

Asteroid Odd Couple: Spitting Space-Rock Duo Is Truly Bizarre

In the asteroid belt between Mars and Jupiter, scientists have discovered a pair of space rocks, collectively called 288P, that don’t behave like anything previously observed in that region. The rocks’ strange characteristics could...

Stellar Duo’s Spectacular Explosive Dance Illuminated Via 3D-Printed Model

Stellar Duo’s Spectacular Explosive Dance Illuminated Via 3D-Printed Model

The double-star system V745 Sco is about 25,000 light-years from Earth, and consists of a big, aging red giant star and a small stellar core called a white dwarf. As they orbit each other, material from the...