In observations conducted between April 5 and April 10, 2017, the team looked at the relativistic jet produced by OJ 287, a ...

While late M-stars are the easiest places to find Earth-sized planets, a new study suggests they are biological dead ends where animal life may never find enough fuel to evolve.

Two million years ago, an encounter with a cold cloud of gas and dust could have caused our planet's "protective giant bubble" to draw back, potentially cooling our planet, new research claims. When ...

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Earth just got a new tag-along in space — a little asteroid named 2025 PN7. NASA confirmed this week that the rock, discovered by the University of Hawaii, is officially a “quasi-moon” — a rare type ...

A groundbreaking new study, published in The Astrophysical Journal Lettersand conducted by researchers at Penn State University and NASA’s Jet Propulsion Laboratory (JPL), reveals that Earth may be ...

A growing number of researchers in the field are using their expertise to fight the climate crisis. By Katrina Miller and Delger Erdenesanaa On the morning of Jan. 18, 2003, Penny Sackett, then ...

Simulations and satellite data reveal that Earth's magnetic field is more complex than scientists had thought. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

A look at the most-read space stories of 2025, covering satellite activity, space missions, scientific discoveries, and natural events observed from Earth ...

Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...