A small asteroid has been quietly following Earth’s orbit for decades—unseen, unbothered and, until recently, completely ...

Only a little more than one week since its initial sighting, a bus-sized asteroid will be making its closest approach to Earth in over a century and it will not be solo. NASA’s Jet Propulsion ...

To astronomers in the 1990s, these three facts were self-evident: The universe is expanding; all the matter in the universe is gravitationally attracting all the other matter in the universe; ...

The Earth stands alone in the solar system as a habitable world, as far as we know. But that doesn’t mean we don’t get visitors, most often in the form of (usually harmless) asteroids. Some even ...

So the bottom line is that the gravity of the closer tidal bulge on the Earth is pulling the Moon forward, which increases the size of the Moon’s orbit. This means that the Moon gets slightly farther ...

Everyone who has ever lived on Earth has been well-aware of the moon, but it turns out Earth also has some frequent temporary companions. These "quasi-moons" are small asteroids that enter into a kind ...

A gem of a find by The Public Domain Review of a collection from the Rijksmuseum: photographs of plaster models of the ...

2025-PN7 is around 62 feet (19 meters) wide, and it’s between 2.8 million miles and 37.2 million miles away from Earth. It was found in the constellation Piscis Austrinus, which can be seen in ...

Headed for a metal-rich asteroid of the same name, the Psyche spacecraft successfully calibrated its cameras by looking homeward. On schedule for its 2029 arrival at the asteroid Psyche, NASA's Psyche ...

A new Uranian moon, provisionally designated S/2025 U1, has been discovered using the James Webb Space Telescope (JWST). S/2025 U1 is estimated to be 10 kilometers in diameter and orbits Uranus ...

Surya, an AI model developed by NASA and IBM, tries to find hidden patterns in solar data to detect solar flares and winds. NASA and IBM have released a new open-source machine learning model to help ...

A new study reveals that if no efforts are made to stop climate change, the dieback of the Amazon rainforest may start within the 21st century. The Amazon is the world's largest rainforest. It harbors ...