New Evidence That An Extraterrestrial Collision 12,800 Years Ago Triggered An Abrupt Climate Change for Earth By Christopher R. Moore What kicked off the Earth’s rapid cooling 12,800 years ago?
Pictures from Space! Our Image of the Day By Space.com Staff Can you spot the teeny-tiny planet Mercury in this photo of the sun? The European Space Agency's Proba-2 satellite captured this image of Mercury's transit yesterday.
Climate Explained: Why Mars is Cold Despite an Atmosphere of Mostly Carbon Dioxide By Paulo de Souza If tiny concentrations of carbon dioxide can hold enough heat to create a global warming impact on Earth, why is Mars cold? Its atmosphere is 95% carbon dioxide.
The Mercury Transit of 2019 in Photos! The Best Views Until 2032 By Tariq Malik On Nov. 11, 2019, the planet Mercury crossed the face of the sun in a rare Mercury transit. See amazing photos of the transit, the last until 2032, from NASA and around the world!
The Curiosity Rover Just Took a Very Emo Photo of Its Rocky Martian Prison By Brandon Specktor Curiosity is the last functioning rover on Mars, and its lonely mission has taken the robot to a steep mountain in the middle of a vast crater.
Why Astronomers Worry About the Brightness of SpaceX's Starlink Satellite Megaconstellation By Meghan Bartels SpaceX is planning to launch the second installment of its Starlink megaconstellation on Monday (Nov. 11), and astronomers are waiting to see — well, precisely what they will see.
Physicists Can Finally Peek at Schrödinger's Cat Without Killing It Forever By Dana Najjar At last we can sneak a peek at the dead-and-alive cat.
Top Space Stories of the Week! By Doris Elin Urrutia These are the top space stories this week from Space.com.
Teach Your Kids About the Mercury Transit of 2019 with This NASA Guide By Elizabeth Howell Mercury will fly across the sun (from Earth's perspective) on Monday, and NASA has a whole lot of kids' materials ready for the occasion.
NASA's TESS Spacecraft is Finding Hundreds of Exoplanets — And is Poised to Find Thousands More By Daniel Apai, Benjamin Rackham Over 99% of these alien worlds remain undiscovered — but this is about to change.
The Science of the 2019 Mercury Transit: How Astronomers Will Study the Rare Celestial Event By Nola Taylor Redd On Monday, students across the U.S. will use Mercury's transit to measure the distance between Earth and the sun.
Earth's Mantle and Crust Are in a Fiery Battle to the Death … of Supercontinents By Stephanie Pappas A new model of the whole Earth shows how the mantle and crust drive the movement of tectonic plates as well as the creation and destruction of supercontinents.
Scientists Chat Interstellar Probe Project in New York City By Doris Elin Urrutia Sending scientific instruments to the edge of the heliosphere, or the sun's region of influence, is like going to the edge of the fish bowl.
Mathematicians Solve 'Twin Prime Conjecture' — In an Alternate Universe By Rafi Letzter Mathematicians have uncovered a big new piece of evidence for one of the most famous unproven ideas in mathematics, known as the twin prime conjecture.
NICER Telescope Spots Brightest X-Ray Burst Ever Observed By Chelsea Gohd The brightest X-ray burst ever observed by NICER released as much energy in 20 seconds as our sun does in about 10 days.
India Has a New Planetary Target in Mind: Venus By Meghan Bartels India has launched just three planetary-science spacecraft, but the country is already eyeing a new destination: Venus.
Is a New Particle Changing the Fate of the Universe? By Paul Sutter A brand-new particle has possibly emerged and is altering the future destiny of our entire cosmos, a physicist says.
Record-Holding Moon Mission Marks a Decade in Orbit By Meghan Bartels Among the dozens of spacecraft that have visited the moon, none can come close to the tenure of NASA's Lunar Reconnaissance Orbiter, which recently marked a decade studying our sibling world.
NASA's SOFIA Observatory: The Flying Telescope By Charlie Wood Flying at the very tip-top of Earth's atmosphere, SOFIA has almost as clear a view as space-based telescopes.
