'What keeps me up at night': NASA scientist warns of undetected city-killer asteroids

A NASA planetary defense officer warns thousands of near-Earth asteroids capable of destroying a city remain undetected.

The asteroids approaching Earth that keep NASA scientist up at night

"We don’t know where they are,” said NASA’s planetary defense officer Kelly Fast at the AAAS conference in Arizona this week.

NASA scientist warns there’s no way to stop thousands of city-killing asteroids from striking Earth: ‘It keeps me up at night’

She’s worried about the a-rock-alypse. A planetary defense expert is warning that humanity is defenseless against up to 15,000 undetected near-Earth asteroids that have the potential to take out a ...

NASA scientist issues stark warning about 15,000 undetected asteroids that could destroy cities: 'Keeps me up at night'

A planetary defense expert working for NASA warned that humanity has no defense against up to 15,000 undetected near-Earth asteroids that could wipe out a city.

NASA to try Artemis II test run again, could set up March moonshot

NASA is looking to make sure the problems with leaks in its moon rocket have been remedied with another Artemis II test run ...

NASA scientist's terrifying warning asteroid 'we know nothing about' could wipe out city

A top astronomer responsible for defending the Earth against asteroids has revealed what keeps her up at night — thousands of “city killer” space rocks that remain undetected. Dr Kelly Fast, NASA’s ...

Earth defenceless against THOUSANDS of ‘city killer’ asteroids in space as Nasa chief admits it ‘keeps me up at night’

EARTH cannot defend itself against the thousands of “city killer” asteroids that are zooming around space near our planet, Nasa chiefs warn. They reckon there are about 15,000 undetected ...

NASA SpaceX Crew-12 rocket launch in Florida visible in these states

NASA SpaceX Crew-12 launched from Florida, with liftoff seen in South Carolina, New Jersey, Rhode Island, Maryland ...

6 planets to parade across sky. How to see alignment

A parade of six planets will be visible in Michigan night skies. What to know about the alignment.
Science Daily

NASA fired three rockets into the northern lights and the results are stunning

NASA has pulled off a high-flying aurora investigation, launching three rockets into the glowing northern lights over Alaska. One mission targeted mysterious dark patches called black auroras, while ...

A strange triangle of light appears in late winter skies. Here’s what causes it.

In late winter, the zodiacal light is visible in the evening in the Northern Hemisphere (false dusk) and in the pre-dawn morning in the Southern Hemisphere (false dawn). In early autumn, the timing ...

Rare ‘planetary parade’ is on the way — here’s when and where you can catch the stellar stargazing spectacle

The stars may not align, but the planets will. Stargazers are in for a treat later this month when six planets form a line during a rare event scientists are dubbing a “planetary parade.” The ...