A July flyby of a massive asteroid went undetected until two days after it passed, raising urgent questions about planetary ...

While most of them are small and disappear in the atmosphere, some of them come alarmingly close to our planet. While ...

View post: REI's Wind and Water-Resistant Hiking Jacket Is Nearly $70 Off Right Now Astronomers say a recently-discovered asteroid nearly landed on Earth, and that it could have caused serious damage ...

Astronomers have identified 2025 SC79, a new asteroid with a remarkably fast 128-day orbit, placing it among the ...

Another asteroid zoomed near Earth's vicinity the next day. An asteroid just flew closer to Earth than many satellites, according to space agencies. The space object, named 2025 TF, zoomed over ...

Astronomers can usually spot "planet killer" asteroids long before they approach Earth. But what if they can't?

Oct. 8 (UPI) --International space agencies say an asteroid zipped by Earth closer than a large number of satellites currently in orbit, but was not detected until hours later. The European Space ...

2025 TF is a small asteroid just 3 to 6 feet (1 to 3 meters) wide. It's considered a near-Earth asteroid because, like other space rocks in this category, it comes within 1.3 AU (astronomical units) ...

Let's bomb space: First discovered in December 2024, asteroid 2024 YR4 is drawing growing attention from the international space community. Scientists are now exploring options to address this ...