Discovered in 2016, an object called 2016 HO3 — and also Kamo’oalewa, meaning “the oscillating celestial fragment” in Hawaiian — was found to be 130 to 330 feet (40 to 100 meters ...

The speed of light traveling through a vacuum is exactly 299,792,458 meters (983,571,056 feet ... Stars and other objects beyond our solar system lie anywhere from a few light-years to a few ...

Surface wave slopes or surface wavelengths can be measured from 40 meters at the lowest frequency down to 5 meters at the highest frequency with the various Doppler sonar. Measurements have been made ...

A 50-meter object collides with Earth about once ... NASA estimates that they’ve found approximately 40% of objects in this new size category, based on statistically predicted populations.

The Fortnite quests haven't changed much this week, other than rolling out the final couple of sets of Fortnitemares assignments, but that shouldn't come as a surprise given where we're up to in ...

On a mountaintop in northern Chile, the Vera C. Rubin Observatory, which holds the largest digital camera in the world, is ...

The installation of the main reflector for the antenna system of the 40-meter-aperture radio telescope completes in Shigatse, Xizang autonomous region, Oct 7, 2024. [Photo/CCTV News] The main ...

Romanian radars first picked up an "aerial target" on the border with Ukraine at around 8:45 p.m. on Wednesday, Bucharest said.

"Reflectivity" is the amount of transmitted power returned to the radar receiver after hitting precipitation, compared to a reference power density at a distance of 1 meter from the radar antenna.

Hezbollah says it bombed a ‘naval base’ near Israel’s Haifa shortly after it said it targeted positions in Tel Aviv.

Lebanon’s Health Ministry says at least 18 people have been killed, including four children, in an Israeli attack near a ...