Odds of a city-killer asteroid hitting Earth just went up

Odds of a city-killer asteroid hitting Earth just went up

Astronomers keeping a close eye on a near-Earth asteroid called 2024 YR4 have just raised the odds of an impact with our planet......

Astronomers discover 196-foot asteroid with 1-in-83 chance of hitting Earth in 2032

Astronomers discover 196-foot asteroid with 1-in-83 chance of hitting Earth in 2032

A newly discovered asteroid, designated 2024 YR4, has a 1-in-83 chance of impacting Earth in eight years from now - on 22......

Phobos is on a collision course with Mars

Phobos is on a collision course with Mars

Phobos, the larger of Mars’ two moons, is slowly spiraling toward the Red Planet and is expected to meet a catastrophic......

Infant universe was abundant in black holes

Infant universe was abundant in black holes

Supermassive black holes are among the most fascinating and intimidating objects in the universe, with masses reaching a billion......

Scientists believe a big interstellar visitor may have rearranged the Solar System

Scientists believe a big interstellar visitor may have rearranged the Solar System

The home star has kept the Solar System orderly for billions of years, thanks to its immense gravitational pull. The planets......

[video] Philosopher proposes that advanced alien civilizations use stars as giant ...

[video] Philosopher proposes that advanced alien civilizations use stars as giant ...

Astronomers know that some stars hurtle through space at astonishing speeds, which are often attributed to natural gravitational......

Parker Solar Probe achieves historic closest approach to the Sun

Parker Solar Probe achieves historic closest approach to the Sun

The Parker Solar Probe – a spacecraft designed by the National Aeronautical and Space Administration (NASA) to withstand......

Scientist warns of danger from shaking hands with aliens – this could lead to mutual ...

Scientist warns of danger from shaking hands with aliens – this could lead to mutual ...

Half a century ago, the notion of shaking hands with aliens was treated as a joke - what if they were made of antimatter? A touch......

Astronomers pioneer a new way to detect alien radio signals

Astronomers pioneer a new way to detect alien radio signals

A new technique may soon allow scientists to detect radio communications from alien civilizations – if they exist –......

Hawaiʻi astronomers discover planet that has survived star inflation

Hawaiʻi astronomers discover planet that has survived star inflation

When stars near the end of life, they swell between 10 and 100 times their current size, engulfing the nearest planets in the......

To survive interstellar travel, spacecraft need to be small and crewed by machines

To survive interstellar travel, spacecraft need to be small and crewed by machines

Interstellar travel using current chemical rocket technology would require millions of years. However, advancements in genetics......

New study claims an

New study claims an "interstellar tunnel" exists near Solar System

An international team of astronomers has discovered an "interstellar tunnel" in our Solar System’s neighborhood,......