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Aug 19, 2020 | Patty Wetli
(NASA Jet Propulsion Laboratory / Facebook)

An asteroid the size of an SUV buzzed past Earth over the weekend, coming closer to the planet than any other on record, according to NASA. 

Aug 11, 2020 | Patty Wetli
The Perseid meteor shower will peak Tuesday night into Wednesday morning. (Mike Lewinski / Flickr)

Be on the lookout for Perseids on Tuesday night and early Wednesday as the meteor shower hits its peak. Here’s how to maximize your chances of seeing these fireballs streak across the sky.

Aug 2, 2020 | Associated Press
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.

Jul 21, 2020 | Paul Caine
(Credit: NASA / European Space Agency)

We journey to the sun’s surface and explore more from the world of science with University of Chicago paleontologist Neil Shubin.

Jul 14, 2020 | Patty Wetli
NASA’s Parker Solar Probe shows greater detail in the twin tails of comet NEOWISE, as seen on July 5, 2020. The lower, broader tail is the comet’s dust tail, while the thinner, upper tail is the comet’s ion tail. (NASA / Johns Hopkins APL / Naval Research Lab / Parker Solar Probe /Guillermo Stenborg)

The comet has been delighting sky gazers across the globe. Catch it now, because it won’t swing back our way for another 6,800 years.

May 30, 2020 | Associated Press
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.

May 27, 2020 | Patty Wetli
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.

May 6, 2020 | Patty Wetli
“Chicago Tonight” viewer J. Scott Sykora shared this photo of a harvest supermoon eclipse on Sept. 27, 2015.

There hasn’t been a lot to get excited about in 2020, but one bright spot has been the moon, specifically the string of supermoons we’ve enjoyed this spring. 

Apr 22, 2020 | Patty Wetli
Apollo 8 astronaut Bill Anders’ photograph of the first earthrise witnessed by humans. (NASA)

Apollo 8 astronauts were the first to ever witness an earthrise, a view of the planet that put its fragility into perspective and helped propel the environmental movement.

Apr 13, 2020 | Associated Press
In this April 15, 1970 photo made available by NASA, a group of flight controllers gather around the console of Glenn S. Lunney, foreground seated, Shift 4 flight director, in the Mission Operations Control Room of Mission Control Center in Houston. (NASA via AP)

Apollo 13’s astronauts never gave a thought to their mission number as they blasted off for the moon 50 years ago. Even when their oxygen tank ruptured two days later — on April 13.

Mar 2, 2020 | Patty Wetli
Pollution density over China in January 2020 (left) and dramatically less in February. (NASA Earth Observatory)

Satellites show a dramatic drop in pollution over China, which scientists say can be partially attributed to quarantines and an economic slowdown due to the coronavirus outbreak. 

Feb 10, 2020 | Patty Wetli
An artist’s impression of Solar Orbiter. (Credit: ESA/ATG medialab)

It may not seem like it lately, but the sun does indeed still exist. And NASA is sending a spacecraft to our friendly neighborhood star to get some answers.

Dec 11, 2019 | Paul Caine
Prior to its August 2018 launch, NASA’s Parker Solar Probe is packed safely inside the United Launch Alliance Delta IV Heavy rocket payload fairing. (Credit: NASA / Bill Ingalls)

An update on the mission and findings of NASA’s Parker Solar Probe, named after pioneering University of Chicago astrophysicist Eugene Parker, who first proposed the existence of the solar wind in 1958.

Sep 10, 2019 | Nick Blumberg
A unique view of Earth from the vantage point of NASA’s Lunar Reconnaissance Orbiter (LRO) in orbit around the moon. (Credit: NASA / Goddard / Arizona State University)

Adler Planetarium astronomer Mark Hammergren explains how a space-based sentry can help detect asteroids that will pass near Earth.

Jul 23, 2019 | Paul Caine
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. 

Jul 22, 2019 | Associated Press
In this July 20, 1969 photo made available by NASA, astronaut Buzz Aldrin, lunar module pilot, walks on the surface of the moon during the Apollo 11 extravehicular activity. (Neil Armstrong / NASA via AP)

A moonstruck nation celebrated the 50th anniversary of Apollo 11’s “giant leap” by Neil Armstrong and Buzz Aldrin at parties, races, ball games and concerts Saturday, toasting with Tang and gobbling MoonPies.