Estimating a mass for a potentially hazardous asteroid (PHA) is perhaps the single most important thing to understand about ...

Two new studies have measured the expansion of the universe in our immediate cosmic neighborhood using a novel method that ...

A bus-sized asteroid called 2026 CC3 will fly close to Earth today as NASA tracks the spatial object.

Two new studies have measured the expansion of the Universe in our immediate cosmic neighborhood using a novel method that analyzes the motion of two nearby galaxy groups within their surrounding ...

Volunteer astronomers sifting through infrared images from a retired NASA telescope have spotted a faint object racing ...

NASA's Jet Propulsion Laboratory reports that the near-Earth asteroid 2021 ER will approach Earth on Friday for a safe yet close flyby. The asteroid is roughly 44 feet wide, which equals the ...

"For asteroids of the size scale relevant to planetary defense (i.e., ∼50-500 m), the mass can only be directly measured ...

Sixty-six light-years away, an Earth-sized exoplanet completes an orbit in under six hours, skimming around its star at ...

In the International Journal of Extreme Manufacturing, researchers addressed the challenge of balancing physical resolution ...

A fast-moving asteroid called 2026 DG7 is set to pass relatively close to Earth. Scientists say it poses no danger, but the event is drawing attention from space agencies worldwide. Why?

Estimating the mass of a potentially dangerous asteroid remains a key parameter for planetary protection, but traditional radio frequency tracking methods do not allow accurate measurement of small ...

There were concerns that Asteroid 2024 YR4 could hit the moon or Earth.