Space.com on MSN2d
Meteorites and asteroids tracked back to their place of origin in the solar system
Meteorites are rocks from space that survive their fiery descent through Earth's atmosphere and reach the ground. More than ...
Asteroid 2024 YR may not hit Earth in 2032, but it—and others—will keep coming back
In late 2024, astronomers spotted asteroid 2024 YR4 on a trajectory that could potentially threaten Earth. This observation ...
Earth hit by meteorite that originated from a non-existent planet
The solar system was packed with 50 to 100 protoplanets billions of years ago. Not all of them lived to tell the tale of the ...
Earth 1, asteroids 0: The next generation of planetary defense takes shape at JPL
The NEO Surveyor fulfills a 2005 act of Congress ordering NASA to catalog 90% of near-Earth objects larger than 459 feet (140 ...
Gargantuan Globes
Scientists estimate there are ~1 septillion (1 followed by 24 zeros) planets in the observable universe. This figure is based ...
NASA warns 'potentially hazardous' asteroid the size of Egypt's Great Pyramid of Giza will make its closest approach to Earth for more than 100 YEARS tomorrow
TN17 is estimated to be around 540 feet in diameter, which is greater than the height of the Pyramid of Giza in Egypt (449 ...
Space.com on MSN5d
How the James Webb Space Telescope is helping size up tiny dwarf planets
The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.
Astronomy on MSN2d
Our solar system is not as unusual as we thought
A new classification scheme may help us better understand planet formation — including the history of our own family of worlds.