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

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

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" ...

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 ...

Spend 8 minutes with an image that has changed astronomy forever - the first-ever deep field view of galaxy cluster SMACS ...

Take a journey to the James Webb Space Telescope's stunning view of giant galaxy cluster WHL0137-08. Credit: Space.com | zoom ...

New calculations indicate that the asteroid known as 2024 YR4 is now much less likely to hit Earth than earlier measurements ...

NASA announced Wednesday that the odds of the up to 300-foot-wide asteroid hitting Earth dropped from record highs. See where ...

YR4 has a 2.8% to 3.1% chance of hitting Earth in 2032. Astronomers are tracking it to refine estimates of its size and orbit ...