An occultation of Mars by the Moon last occurred on Dec. 7, 2022. This photo, showing Mars just before it went behind the Moon, was taken during that occultation at PAC’s Paul Castle Observatory in ...

This Sunday, an asteroid larger than Manhattan – large enough it could end civilization, or at least wreck a country – is ...

The official numbers are in: 2024 is the hottest year on record. Climate change is the main culprit. But there might be ...

Researchers accounted for the previously overlooked structures of the dwarf planet and moon in computer simulations of a ...

In our solar system, Earth is one of only three worlds that sees temperatures above 32 degrees Fahrenheit, while other ...

The asteroid, named 2025 AB, is expected to pass us at a distance of 95,200 miles, about twice as close as the orbit of the ...

NASA reports that two asteroids, 2024 YC9 and 2024 YL1, will approach Earth on January 3, 2025, providing a valuable ...

Mars’ strangely small mass still puzzles planetary scientists. Definitive answers as to why are still hard to come by.

Since its launch in April 2018, the satellite has been conducting a survey of about 200,000 of the brightest stars near ... Earth radii. More information: Michelle Kunimoto et al, Two Earth-size ...

But at an estimated size of 29 to 70 metres (95-230 ft) in diameter, this is a stark reminder of just how close Earth can get to a deadly encounter. If 2024 XN1 were to hit the planet, scientists ...

According to the reports presented by various online sources, today, an asteroid named 2024 XS3 will make a close ... s small compared to some asteroids, if one this size hit Earth, it could ...

The planetary system is unique because it allows astronomers to study seven Earth-like planets from relatively close range ... consider it less likely by comparison. On the one hand, it is ...