Phys.org news

Phys.org / SpaceX launches, destroys rocket in astronaut escape test

SpaceX completed the last big test of its crew capsule before launching astronauts in the next few months, mimicking an emergency escape shortly after liftoff Sunday.

5 hours ago in Astronomy & Space
Phys.org / Rough seas delay escape test for SpaceX crew capsule

Rough seas prompted SpaceX on Saturday to delay the emergency escape test of its new crew capsule by a day.

Jan 18, 2020 in Astronomy & Space
Phys.org / Study verifies a missing piece to urban air quality puzzle

Despite the prominent health threat posed by fine particulate pollution, fundamental aspects of its formation and evolution continue to elude scientists.

Jan 18, 2020 in Earth
Phys.org / Male sparrows are less intimidated by the songs of aging rivals

Few singers reach their sunset years with the same voice they had in younger days. Singing sparrows are no different. Duke University-led research reveals that elderly swamp sparrows don't sound quite like they used to—nor ...

Jan 18, 2020 in Biology
Phys.org / XMM-Newton discovers scorching gas in Milky Way's halo

ESA's XMM-Newton has discovered that gas lurking within the Milky Way's halo reaches far hotter temperatures than previously thought and has a different chemical make-up than predicted, challenging our understanding of our ...

Jan 17, 2020 in Astronomy & Space
Phys.org / What is an endangered species?

What makes for an endangered species classification isn't always obvious.

Jan 17, 2020 in Biology
Phys.org / Human-caused biodiversity decline started millions of years ago

The human-caused biodiversity decline started much earlier than researchers used to believe. According to a new study published in the scientific journal Ecology Letters the process was not started by our own species but ...

Jan 17, 2020 in Biology
Phys.org / Climate may play a bigger role than deforestation in rainforest biodiversity

"Save the rainforests" is a snappy slogan, but it doesn't tell the full story of how complicated it is to do just that. Before conservationists can even begin restoring habitats and advocating for laws that protect land from ...

Jan 17, 2020 in Biology
Phys.org / Scientists measure the evolving energy of a solar flare's explosive first minutes

Toward the end of 2017, a massive new region of magnetic field erupted on the Sun's surface next to an existing sunspot. The powerful collision of magnetic energy produced a series of potent solar flares, causing turbulent ...

Jan 17, 2020 in Astronomy & Space
Phys.org / Walking with atoms—chemical bond making and breaking recorded in action

Ever since it was proposed that atoms are building blocks of the world, scientists have been trying to understand how and why they bond to each other. Be it a molecule (which is a group of atoms joined together in a particular ...

Jan 17, 2020 in Physics
Phys.org / Here and gone: Outbound comets are likely of extra-solar origin

Astronomers at the National Astronomical Observatory of Japan (NAOJ) have analyzed the paths of two objects heading out of the Solar System forever and determined that they also most likely originated from outside of the ...

Jan 17, 2020 in Astronomy & Space
Phys.org / Using machine learning to fine-tune views of the ancient past

A team of researchers affiliated with several institutions in China and two in the U.S. has developed a way to use machine learning to get a better look at the past. In their paper published in the journal Science, the group ...

Jan 17, 2020 in Other Sciences