Good news

Nature & Science

Discoveries, space, animals and how the world works.

A fossil limb bone of a long-necked animal photographed on a black background (illustrative; not the specimen studied)

Only good

Heme, the Molecule of Blood, Detected in 115-Million-Year-Old Dinosaur Bone

Researchers led by Curtin University report heme and collagen building blocks, plus structures that look like red blood cells, in the leg bone of a Brazilian theropod. Heme is the strongest evidence; whether the structures are cells is disputed.

3 Nov · 3 min

A faint, sparse dwarf galaxy, NGC 5477, made of thousands of individual stars against dark space, seen by Hubble.

Nature & Science

Hubble Census of 37 Dwarf Galaxies Measures How Much Oxygen They Keep

2 Nov

Technicians in cleanroom suits work on NASA’s Swift spacecraft, wrapped in gold thermal blankets, before its 2004 launch.

Nature & Science

Swift Logged More Than 2,000 Gamma-Ray Bursts in a 22-Year Run Built for Two

2 Nov

Steel bowls of dried herbs, seeds and dried citrus on a market stall (illustrative stock photo)

Nature & Science

A New Count Finds 107,356 Traded Species and a Practical Route to Tracking Them

31 Oct

Everything in Nature & Science on the good side