China's Mars probe enters orbit around red planet
China's orbiter will send a small rover to the surface of Mars in May.
Science
Doctor on COVID variants and vaccines
The number of cases of COVID-19 from new, more infectious variants of the virus are rising rapidly in the U.S., the CDC warns. Dr. Neeta Ogden joins CBSN to discuss the state of the vaccination effort and the most common side effects that sometimes come with the second dose.
Polar vortex brings icy air to parts of U.S.
Much of the country is facing a blast of bitterly cold weather Wednesday morning. Along with a series of snowstorms threatening the East and Midwest, an icy mass of air will dive down from western Canada, reaching as far south as Texas by the weekend. Meteorologist and climate specialist Jeff Berardelli joins "CBS This Morning" with more.
COVID-19 case could help explain mutations
As highly contagious coronavirus variants spread across the world, CBS News speaks to a doctor who has studied an extraordinary case of a patient who had the virus for five months. It may provide clues to understanding how the virus mutates and what scientists can do to stop its variants from spreading. Carter Evans reports.
Polar vortex to unleash frigid Arctic blast
By the weekend, temperatures in Kansas City and St. Louis will be below what's normal for Fairbanks, Alaska.
U.S. races to get ahead of new variants
The U.S. is ramping up vaccination efforts as infection rates fall and variants continue to spread. Dr. Teresa Amato, the director of emergency medicine at Long Island Jewish Forest Hills, joins CBSN with more on how to get a handle on the pandemic.
Frigid temperatures and snow ahead
Temperatures are plunging across northern and central states as more snow is on the way. CBS New York chief weathercaster Lonnie Quinn has the latest on the freezing forecast.
U.S. races to ramp up vaccine effort amid shortages
States are holding some of their vaccine doses for those who will need a second dose, while other states are only offering second doses amid a nationwide shortage in supplies. Carter Evans reports.
UAE's Hope spacecraft is first of 3 to reach Mars this month
UAE's Hope will be followed by China's Tianwen-1 and NASA's Perseverance rover.
Doctors urge pregnant women to get vaccinated
Health experts are saying it is important that pregnant women and women expecting to be pregnant receive COVID-19 vaccines. Dr. Frank Chervenak, chair of Obstetrics and Gynecology at Lenox Hospital in New York City, joins CBSN's Elaine Quijano to discuss.
Trump waives tariffs on largest buyers of Russian oil
Oregon school shooter ID'd, used shotgun bought by mother, sources say
Attorneys for Rep. Ilhan Omar accuse DOJ of violating judge's orders
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Sacramento mom says hero son shot, killed Oregon school shooter
On economy, Vance says "we're turning the ship around"
Pope Leo discharged from hospital on Saturday, four days after surgery
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Reported attacks on ships around Strait of Hormuz reach record highs
Katie Zacharia out as White House press secretary after first week
