Search results for meteor

Space Exploration Nov 14, 2023

Big bang: Dutch firm eyes space baby

Climate crises, nuclear Armageddon, or a sudden meteor strike—it's clear humanity could do with Planet B. But first we need to learn to reproduce safely in space, says Dutch entrepreneur Egbert Edelbroek.

Earth Sciences Nov 7, 2023

How global warming shakes the Earth: Seismic data show ocean waves gaining strength as the planet warms

As oceans waves rise and fall, they apply forces to the sea floor below and generate seismic waves. These seismic waves are so powerful and widespread that they show up as a steady thrum on seismographs, the same instruments ...

Earth Sciences Nov 2, 2023

Study links changes in global water cycle to higher temperatures

It's a multi-billion dollar question: What will happen to water as temperatures continue to rise? There will be winners and losers with any change that redistributes where, when and how much water is available for humans ...

Astronomy Oct 26, 2023

After DART smashed into Dimorphous, what happened to the larger asteroid Didymos?

NASA's DART mission (Double Asteroid Redirection Test) slammed into asteroid Dimorphos in September 2022, changing its orbital period. Ground and space-based telescopes turned to watch the event unfold, not only to study ...

Astronomy Oct 23, 2023

How to watch October's Orionids meteor shower and contemplate the wonders of the sky

Throughout the year, there are different meteor showers that all have different properties and can be more or less easy to spot.

Astronomy Oct 23, 2023

How could a piece of the moon become a near-Earth asteroid? Researchers have an answer

A team of astronomers has found a new clue that a recently discovered near-Earth asteroid, Kamo'oalewa, might be a chunk of the moon. They hypothesized that the asteroid was ejected from the lunar surface during a meteorite ...

Planetary Sciences Oct 20, 2023

There are 14,000 potentially hazardous city-killing asteroids left to find

Everyone likes a cool infographic, right? Does that statement hold even if the infographic points out a gap in our knowledge that could kill millions of people? Because that's what a cool-looking infographic NASA released ...

Astronomy Oct 18, 2023

Comet Encke and the Halloween Fireballs of 2023

October and November are always great months to watch for meteors, and 2023 is no exception. This year provides a special reason to be vigilant, as the source of the November Taurid Fireballs Comet 2P Encke reaches perihelion ...

Space Exploration Oct 16, 2023

Signatures of the Space Age: Spacecraft metals left in the wake of humanity's path to the stars

The Space Age is leaving fingerprints on one of the most remote parts of the planet—the stratosphere—which has potential implications for climate, the ozone layer and the continued habitability of Earth.

Evolution Oct 11, 2023

Model shows fall in ancient sea surface temperatures likely led to Great Ordovician Biodiversification

A team of Earth scientists affiliated with several institutions in France, working with a colleague from Norway, has developed a model to help explain the advent of the Great Ordovician Biodiversification—the largest surge ...

page 5 from 40