Of the thousands of exoplanets we’ve discovered, most of them closely orbit red dwarf stars. Part of this is because planets with short orbital periods are easier to find, but part of this is that red dwarf stars make up about 75% of the stars in our galaxy. This propensity of close orbiting planets has some pretty big implications for “potentially habitable” worlds, not the least of which is that most of these planets are likely tidally locked to their star. Or so we’ve thought.
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25 unbelievable facts about the solar system revealed in All About Space magazine
Inside the latest issue of All About Space you'll find incredible solar system facts, the tale of stellar remnants and a mystery surrounding strange filaments in the Milky Way.
The sun burps out a flare in a stellar new photo
The sun is a beehive of flaring activity in a stunning new photo from a NASA spacecraft.
Uranus by 2049: Here's why scientists want NASA to send a flagship mission to the strange planet
A key committee of scientists has recommended that a flagship mission to Uranus should be NASA's highest-priority large planetary science mission for the next decade.
Stars: Facts about stellar formation, history and classification
Learn how stars form, how stars and constellations are named, what happens when stars like our sun evolve, and ultimately, die.
Live coverage: SpaceX rocket ready for launch with more Starlink satellites
Live coverage of the countdown and launch of a SpaceX Falcon 9 rocket from Space Launch Complex 40 at Cape Canaveral Space Force Station in Florida. The Starlink 4-14 mission will launch SpaceX’s next batch of 53 Starlink broadband satellites. Follow us on Twitter.
Celestron SkyMaster Pro 15x70 binoculars review
These binoculars give you an amazing stargazing experience, with a good combination of magnification, aperture and portability.
Astronomers Find Possible Quasar Harbinger in Hubble Image
A distant object in a deep Hubble Space Telescope field could be in transition from ordinary galaxy to brilliant beacon of light.
Chinese Astronomers Recorded Earliest Account of Aurora
How dating an ancient text revealed one of the oldest observations of aurora known.
Icy Europa's mysterious double ridges may hint at hidden pockets of water
A ridge etched into the ice sheet of Greenland provides an unexpected hint that plentiful pockets of water may be trapped just underneath the surface of Jupiter's ice-covered moon Europa.
SpaceX Falcon 9 rocket to launch on record-tying 12th mission Thursday: Watch it live
A SpaceX Falcon 9 rocket will lift off for a record-tying 12th time on Thursday (April 21), and you can watch the action live.
Time might not exist, according to physicists and philosophers — but that's okay
Does time exist? Developments in physics suggest the non-existence of time is an open possibility, and one that we should take seriously.
Overlooked gravitational wave signals point to 'exotic' black hole scenarios
In a new analysis of their gravitational wave data, scientists with the international LIGO-Virgo Collaboration have discovered 10 new examples of merging binary black holes.
The night sky from a cliff face: Q&A with legendary climber Alex Honnold
Space.com caught up with climber Alex Honnold recently to discuss his latest documentary project, "Explorer: The Last Tepui," and his relationship with exploration and the night sky.
Private Ax-1 mission to stay at ISS until Saturday, pushing next SpaceX astronaut launch to April 26
The Ax-1 astronaut mission will depart the space station on Saturday night, if all goes according to plan. The new date pushes the launch of SpaceX's Crew-4 mission to April 26 at the earliest.
Ground-based rover’s touch shared with astronaut in space
If man’s best friend is a dog, then in the future astronauts’ closest companions might well be rovers. A technique allowing astronauts in orbit to control rovers exploring planetary surfaces has been developed by a research team from ESA, the German Aerospace Center DLR and European academia and industry, culminating in an Earth-based rover session commanded from the International Space Station. A paper published in the prestigious Science Robotics journal this week details their results.
Another batch of Starlink internet satellites ready for launch from Florida
File photo of a stack of 53 Starlink satellites in a parking orbit during a previous Falcon 9 launch.Credit: SpaceX
While SpaceX’s next crew mission awaits a launch opportunity just up the coast, another Falcon 9 rocket is poised for liftoff from Cape Canaveral Thursday with another cluster of 53 Starlink internet satellites heading for a deployment orbit nearly 200 miles above Earth.
Here’s Why Jupiter’s Volcanic Moon Io has “Meandering Ridges” Like Deserts Here on Earth
Within Jupiter’s massive system of satellites, four large moons really stand out. They’re known as the “Galilean Moons” in honor of Galileo Galilee, who made the first recorded observations of them in 1610. The innermost of these moons is the rocky moon Io, which is slightly larger than Earth’s Moon and slightly denser. With more than 400 active volcanoes on its surface, it is the most geologically active body in the Solar System.
Wow! Perseverance Sees a Solar Eclipse on Mars
Imagine standing on Mars, and seeing this with your own eyes.
Next SpaceX crew launch on hold to wait for return of private astronaut mission
Astronauts Jessica Watkins, Bob Hines, Kjell Lindgren, and Samantha Cristoforetti inside the Crew Access Arm at Launch Complex 39A early Wednesday for a dress rehearsal. Credit: SpaceX
The launch of a SpaceX Falcon 9 rocket carrying the next astronaut crew to the International Space Station has been postponed from Saturday after weather delays in returning a team of commercial astronauts from the outpost back to Earth, NASA officials said Wednesday.
Wow! Perseverance rover captures gorgeous video of solar eclipse on Mars
The tiny Mars moon Phobos looms large on the sun's face in dramatic eclipse footage captured by NASA's Perseverance rover.
