First light for the innovative new instrument is anticipated in 2028. Spectre — once operational — will play a key role in ...

A faint interstellar object detected in July 2025 has quietly reshaped how scientists and security planners view threats from ...

I/ATLAS is a newly detected interstellar object that entered the solar system from outside our stellar neighborhood, ...

KEY OBSERVATIONS The first alert came quietly. The data did not look wrong—just unfamiliar. What followed has forced ...

JWST imaged 2024 YR4 in late March, making it the smallest object the telescope had imaged to date. The data its instruments collected indicate that based on the amount of heat it gives off, 2024 YR4 ...

Far from the bright glare of the Moon, a much smaller companion has been quietly keeping pace with Earth, looping around the ...

NASA is closely monitoring a bus-sized asteroid, “2025 XF1,” which is rapidly approaching Earth this week. With speeds of nearly 8,000 miles per hour, the space agency’s observations are critical for ...