Astronomy on MSN3d
Bennu isn’t likely to hit Earth — but if it did, here’s what would happen
The potentially hazardous asteroid Bennu probably won't hit Earth. But this study shows the damage a space rock of its size could do.
New Book Reveals Why We Need An Exoplanet Reality Check
Is Earth really exceptional?  A new book seems to reaffirm that notion.  But given the right conditions, primitive life may be a mere byproduct of biophysics.
‘I’ve forgotten how to walk’: Sunita Williams on alarming effects of 7 months in space
After 7 months in space due to technical failures, Sunita Williams struggles to walk, faces bone loss, and weight issues.
NASA telescope to study 'city-killer' asteroid in 'emergency' decision as odds of striking Earth go up
NASA is using its most powerful space telescope to study the true size of the "city-killer" asteroid that has a one-in-43 ...
Science Friday6d
Building Blocks Of Life Found On Asteroid Bennu
Early analysis of asteroid samples from NASA’s OSIRIS-REx mission show the residue of an icy brine, and a soup of amino acids ...
NASA Issues Update on Chance of Asteroid Hitting Earth
In an update issued on February 7, NASA said the probability of 2024 YR4 hitting the Earth had gone from around 1.2 percent (one-in-83) to 2.3 percent (one-in-43).
Briny Traces in NASA’s Asteroid Sample Hold Clues to the Chemistry of Life
The asteroid Bennu has provided groundbreaking insights into the chemistry that may have set the stage for life in the early ...
Why the Odds of an Asteroid Striking Earth in 2032 Keep Going Up (and Down)
NASA and European scientists explain how they calculate the probability of the space rock 2024 YR4 impacting our planet, and why it’s not yet time to worry.
The Daily Courier5d
A precious handful of dirt
On 20 October, 2020, a robot spacecraft took a sample of surface dust from asteroid Bennu. On 4 September, 2023, as it passed ...