Planet 9 is Running out of Places to Hide
A search for Planet 9 found hundreds of potential candidates, but they are probably just clouds.
Earth’s Magnetic Field Almost Completely Collapsed 550 Million Years Ago
More than half a billion years ago, Earth experienced an almost-complete collapse of its magnetic field. It began in the…
China’s Long March Rocket Booster Makes Uncontrolled Reentry Back to Earth
A Chinese Long March 5B rocket first stage made an uncontrolled, fiery reentry through Earth’s atmosphere over Southeast Asia today…
ESA’s EnVision Mission Doesn’t Have a lot of Fuel, so it’s Going to Aerobrake in the Atmosphere of Venus
Venus has almost been “the forgotten planet,” with only one space mission going there in the past 30 years. But…
Jupiter's Giant Moons Prevent it From Having Rings Like Saturn
A recent study examined why Jupiter doesn't have highly-visible (and beautiful) rings like Saturn, and puts the blame on its…
When Stars eat Their Planets, the Carnage can be Seen Billions of Years Later
Lithium is the key to determining whether a star has eaten a planet.
JWST Damage, New Mars Helicopters, Teaching Robots to Die
JWST is doing after its micrometeorite strike, two more helicopters are flying to Mars, China will drop a 50+ meter…
The Mars Sample Return Mission Will Take Two Helicopters to the Red Planet to Help Retrieve Samples
NASA’s upcoming Mars Sample Return mission plan just received a glow-up: it will now carry a pair of twin helicopters,…
The James Webb is Measuring Distant Galaxies 5-10 Times Better Than any Other Telescope
The James Webb Space Telescope is enabling all kinds of next-generation astronomy, including producing accurate mass measurements of the most…
A Black Hole can Tear a Neutron Star Apart in Less Than 2 Seconds
An international team has simulated what happens when a black hole and neutron star merge, and the results were pretty