The $10 billion orbiting observatory will give astronomers a better sense of the near-Earth asteroid 2024 YR4's size and ...

NASA will use the James Webb Space Telescope to gather crucial data on the size of asteroid 2024 YR4, which has a small ...

The James Webb Space Telescope (JWST) is to be pointed at asteroid 2024 YR4 to reduce uncertainty regarding the chances of ...

In a rare "time-critical" decision, the James Webb Space Telescope will study the true size of the "potentially hazardous" ...

The probability of Earth impact remains at 2.4 percent, and the estimated size of the asteroid is still anywhere from 40 to ...

NASA has identified asteroid 2024 YR4 with a 3.1% chance of hitting Earth on 22 December 2032. While the probability remains ...

On the Webb telescope, 18 hexagonal mirrors combine to form a massive primary mirror that is 21 feet (6.5 meters) across. The ...

The James Webb Space Telescope, which is the JWST is the largest and space telescope ever built, is expected to help NASA and ...

Astronomers will use the Webb telescope to closely monitor the size and trajectory of an asteroid that has a slim chance of ...

The exact size of 2024 YR4 remains uncertain, but NASA estimates it to be between 130 and 300 feet (40 to 90 meters) in ...

YR4: everything to know about the potential "city killer" space rock that has a 2.3% chance of striking Earth on Dec. 22, ...