In national security space, “dim objects” typically refer to satellites or debris that emit little energy and are hard to see with traditional sensors. Detecting and characterizing them is already ...

Scientists have discovered the fastest-spinning asteroid sized over 0.3 miles in diameter, which is rotating about once every two minutes. Dubbed 2025 MN45, the space rock is some 2,300 feet across ...

An artist’s conception zeroes in on a main-belt asteroid called 2025 MN45, which makes a full rotation in less than two minutes. (Credit: NSF-DOE Vera C. Rubin Observatory / NOIRLab / SLAC / AURA / P.

The MarketWatch News Department was not involved in the creation of this content. University-Led Payloads to Land on Asteroid Apophis as Part of the World's First Commercial Deep-Space Rideshare ...

University-Led Payloads to Land on Asteroid Apophis as Part of the World's First Commercial Deep-Space Rideshare Mission Under the leadership of planetary scientist and PERC Director, Dr. Tomoko Arai, ...

If you were to ask a group of dedicated amateur astronomers to list their favorite telescopic targets, few if any would mention asteroids. That’s easy to understand. The typical asteroid lacks the jaw ...

Her baby couldn’t make it home for the holidays, but at least Dani Mendoza DellaGiustina had some out-of-this-world snapshots to keep herself warm. DellaGiustina is principal investigator for NASA’s ...

Some physicists believe that a fifth fundamental force could be the cause of some observational anomalies. A study is investigating ways to closely examine the trajectories of well-documented ...

NEW ORLEANS — There’s about a 4 percent chance that a building-sized asteroid will hit the moon in 2032. Moreover, there’s about a 1 percent chance that the asteroid, dubbed 2024 YR4, will not only ...

President Donald Trump signed a historic executive order declaring illicit fentanyl and its precursor chemicals as weapons of mass destruction (WMD), warning that the drug poses a threat more ...

Tracking comets accurately is hard. A new effort with the U.N. and NASA aims to better chart these visitors using 3I/ATLAS. When you purchase through links on our site, we may earn an affiliate ...