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How to spot the bright Comet NEOWISE using mobile apps

Skywatchers the world over are buzzing about Comet C/2020 F3 (NEOWISE), the first easily-visible comet to appear in years. Your favorite mobile astronomy app can tell you if the comet is visible from your location, and where and when to look for it. To see ...

China's first Mars rover Tianwen-1 launches this week. Here's what it will do.

China's Mars rover will likely attempt to land at a site in northeastern Mars, according to a new paper published just days ahead of the mission's launch. The paper, which was published last week in the journal Nature Astronomy, was written by team members ...

Asteroid shower rained space rocks on Earth and the moon 800 million years ago

An asteroid shower thought to have struck the moon and Earth 800 million years ago may have helped trigger Earth's greatest ice ages, a new study finds. There are many signs that cosmic impacts have had major effects on Earth's history. For example, an ...

For Mars, Hope (and a little Perseverance, too) shines in UAE's 'Apollo moment'

The United Arab Emirates is on its way to Mars, claiming the title of first Arab country to launch an interplanetary mission, which it designed and built in just six years and dubbed Hope. The Hope Mars orbiter launched toward Mars on a Japanese rocket on ...

Watch two astronauts take a milestone spacewalk outside the International Space Station right now!

NASA astronauts Chris Cassidy and Bob Behnken are about to emerge back in the black. The spacewalking duo will make a fourth excursion outside the International Space Station (ISS) for Expedition 63 Today (July 21), and you can watch the entire thing ...

Watch SpaceX catch an entire rocket nose cone that fell from space for the 1st time (video)

SpaceX just pulled off another rocket-reusability milestone — its first-ever payload fairing double catch. The company managed to pluck out of the sky both halves of a Falcon 9 rocket's falling payload fairing shortly after the successful launch of a South Korean ...

SpaceFlight Insider

Spacewalkers set the stage for future ISS additions

SpaceFlight Insider

Spacewalkers Bob Behnken, left, and Chris Cassidy work to remove protective coverings on the port designated to host the NanoRacks airlock later this year. Credit: NASA. NASA astronauts Chris Cassidy and Bob Behnken completed their fourth spacewalk ...

A massive asteroid shower hit Earth and the moon 800 million years ago, study says

(CNN) Over the course of Earth's ancient history, our planet has been blitzed with a variety of foreign objects, some of which may have triggered major events shaping this place we now call home. One such incident was a massive asteroid shower that ...

NASA astronauts upgrade space station systems during 300th US spacewalk

(CNN) NASA astronauts Chris Cassidy and Robert Behnken began a spacewalk early Tuesday morning outside of the International Space Station to upgrade station systems. It's the 300th spacewalk by US astronauts, according to NASA. The spacewalk ...

Synthetic dimensions enable a new way to construct higher-order topological insulators

Phys.Org

Phys.Org

Topological insulators have been an exciting field of research with fundamental interest as well as practical applications such as robust transport of electrons and light, and topological quantum computing. The hallmark of such conventional topological ...