HercuList Secrets

When is an asteroid not an asteroid? When it's Elon Musk's Tesla Roadster, it turns out.

The discovery of a new asteroid this month has turned out to be anything but. In fact, it isn't even a natural object. The wannabe asteroid, announced on Jan. 2 as 2018 CN41, is actually a Tesla Roadster launched into space years ago by SpaceX CEO Elon ...

Mars was hot then cold then hot again. Could life have really survived there?

This element, the universe's lightest, would bond with carbon atoms to form carbon dioxide in the Martian atmosphere. As we know all too well on Earth, carbon dioxide is a greenhouse gas that traps heat, causing a greenhouse effect. This could have kept ...

The Planetary Society

Should you be worried about Asteroid 2024 YR4?

The Planetary Society

"It is rare to have an asteroid with a non-zero probability of hitting Earth," said Heidi Hammel, Vice President for Science at the Association of Universities for Research in Astronomy and Vice President of the The Planetary Society's board of directors.

Astronauts at the center of Starliner drama step out for spacewalk after more than 7 months in orbit

CNN

CNN

In this screen grab from video, NASA astronauts Suni Williams and Butch Wilmore conduct a spacewalk on January 30. NASA. Sign up for CNN's Wonder Theory science newsletter ...

SpaceX and Vast want ideas for science experiments on Dragon spacecraft and Haven-1 space station

The world's leading rocket launch provider and a California-based space startup are teaming up to solicit research proposals for experiments that will fly aboard the first-ever commercial space station, slated to liftoff later this year.

Watch Earth and space in 4K with new 24/7 livestream from ISS (video)

Cameras are officially rolling! Or, in this case, streaming. SpaceTV-1, a set of Ultra High Definition 4k cameras from space streaming company Sen, was delivered to the International Space Station (ISS) last year, and is now broadcasting live views of ...

Eeny Meeny Miny Mo, Catch a Pterosaur by Its Neck

A puncture in the fossilized neck of a winged reptile that flew with the dinosaurs suggests the creature became a feast for a crocodile ancestor.

First steps taken toward developing interstellar lightsails

Phys.Org

Phys.Org

It needs to withstand heat, hold its shape under pressure, and ride stably along the axis of a laser beam," Atwater says. "But before we can begin building such a sail, we need to understand how the materials respond to radiation pressure from lasers.

A cosmic 'CT scan' shows the universe is far more complex than expected

Livescience.com

Livescience.com

"This process is like a cosmic CT scan, where we can look through different slices of cosmic history and track how matter clumped together at different epochs." Comments ( 0 ) (). When you purchase through links on our site, we may earn an affiliate ...

A Flag on Mars? Maybe Not So Soon.

Mars and Earth come into alignment every 26 months, so time is one obstacle to President Trump's pledge to launch astronauts to plant a flag on Mars. There are only two launch windows during his presidency, in late 2026 and late 2028.