Doppler shift and Doppler spread due to a flying object are derived directly from Fresnel-Kirchhoff diffraction formula for microwave signals from Low Earth Orbit (LEO) satellites in a passive forward ...

The Black Knight satellite legend has circulated for decades. It involves stories of strange radio signals picked up by ...

It's popularly understood that no one can hear you scream in space, and yet, scientists have captured some pretty strange ...

The story of the Black Knight is a mix of facts and speculation. In 1998, photos taken during the STS-88 shuttle mission showed a dark object floating in space. Quickly, some saw it as evidence of ...

Accurate object detection with on-board LiDAR sensors is crucial for ensuring driving safety of Connected Automated Vehicles (CAVs), especially at accident black spots with more occlusions.

Air India video shows 'mystery object' flying off plane seconds before disaster Footage of the doomed airliner crashing to earth appears to show a mystery object falling from the plane moments before.

Last year, the United States carried out 158 space launches, adding 2,176 new objects ... that black carbon (soot) from rockets would form a persistent layer in the northern stratosphere. Moreover, ...

Space is a very big place, and as such, it's full of mysteries that scientists can't explain. Some of this is simply because it's impossible to fully observe, thanks to its sheer size and the ...

PUNCH launched into polar orbit on March 11 to create 3D observations of the Sun’s outer atmosphere. The mission consists of four suitcase-sized spacecraft, each with an imager onboard.