Remember that rare green comet that was spottable from Earth ... the comet was originally identified as an asteroid. Ultimately, its true cometary nature was detected due to its rapid brightening ...

The 700–1,300 feet-wide space rock deformed rocks more than six miles from the impact site when it hit 600 million years ago.

Take asteroid 2023 BU for example. This asteroid was just discovered last weekend by amateur astronomer Gennadiy Borisov, who watches the skies from Nauchnyi in Crimea. This newly discovered space ...

NASA said last week that there is currently a 2.3% (or 1 in 43) chance that the asteroid, dubbed 2024 YR4, will hit Earth on Dec. 22, 2032. While still tiny, that probability nearly doubled from ...

The large near-Earth asteroid titled 2023 DZ2, nicknamed Dizzy, will “get very close” but it won’t crash into Earth, according to astronomy experts. While close approaches are a regular ...

This photo provided by Gianluca Masi shows asteroid 2023 DZ2, indicated by arrow at center, about 1.8 million kilometers (1.1 million miles) away from the Earth on March 22, 2023. (Gianluca Masi ...

For only the seventh time, an astronomer spotted an incoming asteroid just hours before it crashed to Earth. Krisztián Sárneczky of Hungary recorded the object, now designated 2023 CX1 ...

On Feb. 18, NASA and the European Space Agency announced that the probability of asteroid 2024 YR4 hitting Earth in 2023 was 3.1 percent, the highest ever recorded for an object of this size.This ...

In 2016, NASA launched OSIRIS-REx, the first US mission to collect samples from an asteroid. Now, the historic mission is coming to an end seven years later. The sample capsule from OSIRIS-REx ...