All About Everything

Why Astronomers Worry About the Brightness of SpaceX's Starlink Satellites

SpaceX is planning to launch the second installment of its Starlink megaconstellation on Monday (Nov. 11), and astronomers are waiting to see — well, precisely what they will see. When the company launched its first set of Starlink internet satellites in May, ...

Here's the US Weather Forecast for the Monday's Rare Mercury Transit of 2019

For those hoping to get a glimpse of Monday's rare transit of the planet Mercury across the face of the sun, the weather across the United States will either be very good, with clear skies and excellent viewing prospects, or very bad, with cloud-filled skies and ...

Mercury Transit 2019: Here Are the Stages to Watch

A simple journey can take many steps, and on Monday (Nov. 11), skywatchers can view several stages of the journey of the smallest planet in the solar system when it passes in front of the sun. People in the United States and other parts of the world will be ...

EarthSky

Did ancient Earth life escape our solar system?

EarthSky

You've heard of panspermia, the idea that life exists throughout space and was carried to Earth by comets? What if the reverse occurred, with microbes on Earth ejected into space by asteroid impacts, escaping into the solar system billions of years ago? arrow.

NASA's 2024 Moonshot Hinges On Transcending Politics, Says Neil DeGrasse Tyson

Forbes

Forbes

If NASA can transcend today's fractious and uncertain political climate, there's no reason that it can't meet its announced 2024 goal of sending astronauts back to the lunar surface, says astrophysicist Neil deGrasse Tyson. "If our culture sees NASA as ...

Mercury is making a rare 'transit' across the sun. Here's how to watch.

NBCNews.com

NBCNews.com

Skywatchers around the world have the opportunity to witness a rare astronomical event Monday that occurs just 13 times each century. Mercury, the smallest planet in the solar system, is set to inch across the face of the sun in what's known as a "transit," and ...

NASA Mars Mission Success Could Rely On 'Mutant' Humans

One of the biggest concerns that space agencies like NASA and SpaceX have when it comes to bringing humans to Planet Mars is survival. Mars, with its very dry and cold environment, dangerous radiation and weak atmosphere, is one of the most deadly ...

SpaceX's Latest Batch Of Starlink Satellites Is Concerning, Scientist Warns

As SpaceX prepares for the launch of the latest batch of Starlink satellites, an astrophysicist warned about what the mega-constellation can do to the sky. Like other astronomers, the astrophysicist is worried about the effects of the Starlink project. The latest ...

Earth's core too hot 'n heavy for oxygen, but may have rusty coating

Ars Technica

Ars Technica

We live on the most comfortable of planets. It may not be too visible, but the Earth's magnetic field plays a critical role in maintaining that comfort. The remaining rocky planets in our Solar System have much weaker magnetic fields and, as a result, are subject ...

NASA Satellite Captures Black Hole Shredding A Nearby Star

NASA's satellite made a historical discovery after spotting its first tidal disruption, an event where a black hole rips apart a star. According to the agency's scientists, the star destroyed by the black hole could be as big as the Sun. The spectacular cosmic event ...