A young rogue planet 620 light-years from Earth has baffled scientists as it puts on a record-breaking 'growth spurt'.

The celestial body known as asteroid 2024 YR4 is on a collision course with the moon, with an expected impact date in 2032. As the clock ticks, scientists are considering a drastic measure to prevent ...

On October 1st, a small asteroid named C15KM95 passed by Earth at an altitude of just 300 kilometers, skimming over Antarctica in a flyby far closer than most near-Earth objects ever get. The event ...

Is it really possible that half of all people who have ever been age 65 or older are still alive today? We explore the ...

Smithsonian National Postal Museum, Washington, D.C.

The air on Venus is about 96.5% carbon dioxide, a potent greenhouse gas. All that CO2 leads to a runaway greenhouse effect ...

Astronomers have discovered that asteroid 1998 KY26, the target of Japan’s Hayabusa2 extended mission, is far smaller and faster-spinning than previously thought. Astronomers have conducted a new ...

The universe is approaching the midpoint of its 33-billion-year lifespan, a Cornell physicist calculates with new data from ...

The Dallas-headquartered biotech company revealed in April 2025 that two separate dire wolf litters had been born: Two male ...

At 11 feet (3.4m) tall and nearly 27 feet (8.2m) long, Cooper’s pointy-backed herbivore – affectionately known as Apex – is ...