Venus passes between the Earth and sun this weekend—but don’t try to look for it

This image provided by NASA/JPL-Caltech shows Venus taken from NASA’s Mariner 10 spacecraft. Credit: NASA/JPL-Caltech via AP Venus will pass between the Earth and sun on Saturday during what’s called…

Can any nearby supernova cause a mass extinction?

The Veil Nebula Supernova Remnant. Credit: NASA/ESA/Hubble Heritage Team The most dangerous parts of a supernova explosion are the outputs like X-rays and gamma rays. Even though they only share…

Wolf-Rayet 104 ‘pinwheel’ star reveals a surprise (and some relief)

An artist’s concept of the famous Wolf-Rayet 104 “pinwheel star,” previously nicknamed the “Death Star.” New research conducted from Maunakea, Hawaiʻi using three Keck Observatory instruments reveals the orbit of…

Four small planets discovered around one of the closest stars to Earth—an expert explains what we know

NASA’s stuck astronauts welcome their newly arrived replacements to the space station

This image made from video by NASA shows astronauts Don Pettit, bottom center, hugging Kirill Peskov as astronauts greet each other after a SpaceX capsule docked with the International Space…

Crew launch to ISS paves way for ‘stranded’ astronauts’ return

This screengrab image from NASA’s live broadcast shows the SpaceX Falcon 9 rocket with the Crew Dragon capsule blasting off from the Kennedy Space Center in Florida bound for the…

Musk says Starship to depart for Mars at end of 2026

Starship (pictured during a test flight) — the world’s largest and most powerful rocket — is key to Elon Musk’s long-term vision of colonizing Mars. SpaceX founder Elon Musk said…

Atmospheric wave-studying mission releases data from first 3,000 orbits

This image shows AWE data combined from two of the instrument’s passes over the United States. The red and orange wave-structures show increases in brightness (or radiance) in infrared light…

Weighing in on a Mars water debate: Analysis challenges previous findings

Credit: Pixabay/CC0 Public Domain More than 3 billion years ago, Mars intermittently had liquid water on its surface. After the planet lost much of its atmosphere, however, surface water could…

Researchers develop glass sensors for the Einstein Telescope

Researchers from Jena have manufactured highly sensitive resonators made entirely of glass for the vibration sensors of the Einstein Telescope. Credit: Fraunhofer IOF From 2035, the Einstein Telescope will be…