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......

[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......

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......

[video] Aerospace startup proposes sled launch system to push planes into space

[video] Aerospace startup proposes sled launch system to push planes into space

Radian Aerospace, a startup founded in 2016, is challenging the traditional concept of propulsion of rockets into space with an......

Astronomers discover black hole that sucks fuel out of its host galaxy

Astronomers discover black hole that sucks fuel out of its host galaxy

Using the NASA/ESA James Webb Space Telescope, an international team of astronomers has confirmed that supermassive black holes......

Red dwarfs are dangerous hosts to exoplanets

Red dwarfs are dangerous hosts to exoplanets

Planets floating within the habitable zone around red dwarfs have little chance to sustain life, because the far-ultraviolet......

Scientists reveal the ancestry of 90% of meteorites hitting Earth

Scientists reveal the ancestry of 90% of meteorites hitting Earth

Almost all meteorites – cosmic rocks that survive the travel through Earth’s atmosphere and hit the ground –......