,
|
The Twitter application is seen on a digital device, April 25, 2022, in San Diego. (AP Photo / Gregory Bull, File)

While Musk hasn’t offered specifics about how he would run the platform, his musings are prompting celebrations from some of those muzzled by Twitter, even as they alarm internet safety experts who predict a rise in harassment, hate speech and misinformation about topics like vaccines and elections.

|
Tesla and SpaceX CEO Elon Musk arrives on the red carpet for the Axel Springer media award in Berlin on Dec. 1, 2020. (Hannibal Hanschke / Pool Photo via AP, File)

The outspoken Tesla CEO, who is also the world’s wealthiest person, has said he wanted to own and privatize Twitter because he thinks it’s not living up to its potential as a platform for free speech.

|
Tesla and SpaceX CEO Elon Musk arrives on the red carpet for the Axel Springer media award in Berlin on Dec. 1, 2020. (Hannibal Hanschke  /Pool Photo via AP, File)

Twitter Inc. said in a regulatory filing on Thursday that Elon Musk, currently the company’s biggest individual shareholder, has proposed buying the remaining shares of Twitter that he doesn’t already own at $54.20 per share, an offer worth more than $43 billion.

,
|
On Sunday, July 11, 2021, Richard Branson became the first person to fly into space on a self-funded ship. (WTTW News via CNN)

Virgin Galactic founder Richard Branson on Sunday became the first billionaire to ride his own rocket ship to space. But beyond being the ultimate joyride for billionaires, will commercial space travel take off as an industry accessible to the rest of us?

,
|
This combination of 2019 and 2016 file photos shows Jeff Bezos with a model of Blue Origin’s Blue Moon lunar lander in Washington, left, and Richard Branson with Virgin Galactic’s SpaceShipTwo space tourism rocket in Mojave, Calif. (AP Photo / Patrick Semansky, Mark J. Terrill)

The lucrative, high-stakes chase for space tourists will unfold on the fringes of space — 55 miles to 66 miles up, pitting Virgin Galactic’s Richard Branson against the world’s richest man, Blue Origin’s Jeff Bezos.

|
In this May, 30, 2020 file photo, NASA astronauts Douglas Hurley, left, and Robert Behnken walk out of the Neil A. Armstrong Operations and Checkout Building on their way to Pad 39-A, at the Kennedy Space Center in Cape Canaveral, Fla. (AP Photo / John Raoux, File)

Two NASA astronauts returned to Earth on Sunday in a dramatic, retro-style splashdown, their capsule parachuting into the Gulf of Mexico to close out an unprecedented test flight by Elon Musk’s SpaceX company.

|
A SpaceX Falcon 9, with NASA astronauts Doug Hurley and Bob Behnken in the Dragon crew capsule, lifts off from Pad 39-A at the Kennedy Space Center in Cape Canaveral, Fla., Saturday, May 30, 2020. (AP Photo / John Raoux)

A rocket ship built by Elon Musk’s SpaceX company thundered away from Earth with two Americans on Saturday, ushering in a new era in commercial space travel.

|
NASA astronauts Douglas Hurley, left, and Robert Behnken, during a launch rehearsal. (NASA HQ Photo / Flickr)

It’s a big day for NASA and Elon Musk’s SpaceX as they send humans into space Wednesday, the first crewed launch from American soil since 2011 and the first by a private firm.

|
Mars visualization with satellite imagery overlay. (Kevin Gill / Flickr)

The SpaceX founder aims to create a fleet of reusable rockets that will make space travel dramatically cheaper and more accessible. But can he turn what has long been science fiction into science fact?

|
An artist’s concept of an O’Neill cylinder. (Courtesy Blue Origin)

Could Jeff Bezos’ vision of giant rotating habitats one day support millions of people in space? We speak with two experts about humankind’s future in space. 

|
A modified Tesla Model X drives in the tunnel entrance before an unveiling event on Tuesday, Dec. 18, 2018 for the Boring Co. Hawthorne test tunnel in Hawthorne, Calif. (Robyn Beck / Pool Photo via AP)

Elon Musk unveiled his underground transportation tunnel on Tuesday. Musk said he thinks the Chicago project that would take travelers from downtown to O’Hare Airport has the most potential to open the soonest.

|
Each pod would hold 8-16 people. (Credit: The Boring Company)

The concept sounds like it was lifted straight out of science fiction, but billionaire Tesla founder Elon Musk says he is going to make it happen.

|
(Evan Garcia / Chicago Tonight)

Could the Midwest soon be connected to a futuristic transit option? We visit one company’s hyperloop test site in the Nevada desert.

|
Falcon Heavy demo mission on Feb. 6, 2018. (SpaceX / Flickr)

Could Elon Musk’s successful launch and landing of his Falcon Heavy rocket usher in a new era of commercial exploration—and exploitation—of space? This story and more from the world of science with Neil Shubin.

|
SpaceX's Falcon 9, left, and Blue Origin's New Shepard. (SpaceX / Flickr, Franke360 / Wikimedia)

Tech billionaire Elon Musk wants to create a colony on Mars. Assessing the challenges–and his chances of success.

|
SpaceX's Falcon 9, left, and Blue Origin's New Shepard. (SpaceX / Flickr, Franke360 / Wikimedia)

Last month, Elon Musk's SpaceX successfully landed one of its Falcon 9 rockets back onto its launch pad. In November, Jeff Bezos’ company Blue Origin landed its sub-orbital capsule New Shepard. Space enthusiast and Fermilab physicist Don Lincoln recently wrote a column on the Musk versus Bezos competition and shares his insights.