China Will Land a Rover on Mars: Time and Streaming

China’s Tianwen-1 mission, orbiting the red planet since February, is expected to attempt a difficult landing…

China’s Ambitious Plans in Space: The Moon, Mars and Beyond

An upcoming Mars landing is one of many high-profile missions on the country’s schedule as it…

William R. Harris Dies at 79; Hoped to Curb Risks of Nuclear War

A lawyer and policy analyst, he studied ways to forestall energy crises and other catastrophes. He…

What if Space Junk and Climate Change Become the Same Problem?

Changes to the atmosphere caused by carbon dioxide emissions could increase the amount of debris that…

Bye Bye, Bennu: NASA Heads Back to Earth With Asteroid Stash in Tow

The OSIRIS-REX mission will spend two years cruising home with space rock samples that could unlock…

Things To Do At Home

This week, check in with NASA’s Perseverance rover, listen to orchestral music or celebrate Eid al-Fitr…

When Is China's Rocket Supposed to Fall?: Here's What to Know

The Long March 5B, the country’s largest rocket, is expected to come down sometime this weekend,…

NASA Mars Helicopter Makes One-Way Flight to New Mission

Ingenuity has flown almost flawlessly through the red planet’s thin air and will now assist the…

Long March 5B, a Chinese Rocket, Expected to Tumble Back to Earth

The chances of it hitting a populated area are small, but not zero. That has raised…

Space Station Wine Bottle Could Sell for $1 Million

The bottle of Pétrus from 2000 — which is being sold by Christie’s — comes with…